DiabaticA process which occurs with the addition or loss of heat. The opposite of adiabatic.
DiabetesAny of several diseases in which the kidneys make a large amount of urine. Diabetes usually refers to diabetes mellitus in which there is also a high…
Diabetes ComplicationsAre either short term (acute) or long term (chronic) impairments which affect the microvascular or macrovascular blood vessels of persons with diabetes…
Diabetes Control and Complications Trial(DCCT) A ten year study ending June 1993, was sponsored by the National Institute of Diabetes and Digestive and Kidney Diseases comparing the effects of…
Diabetes EducationApproved American Diabetes Association patient and family education for self-management and treatment of diabetes by: (1) Eating a recommended diet and…
Diabetes InsipidusChronic excretion of very large amounts of urine causing dehydration and extreme thirst; ordinarily resulting from pituitary dysfunction, damage or injury.
diabetes mellitus(dye-a-BEE-teez MEL-ih-tus) A group of disorders in which there is a defect in the transfer of glucose (sugar) from the bloodstream into cells, leading to…
diabetes pillsPills or capsules that are taken by mouth to help lower the blood glucose level. These pills may work for people whose bodies are still making insulin.
DiabeticRelating to or suffering from diabetes. The medical condition term "diabetic" should not be used to describe a person who has a diabetes disease.
Diabetic ComaDevelops when insulin and blood glucose are so out of balance that ketones accumulate in the blood.
diabetic eye diseaseA disease of the small blood vessels of the retina of the eye in people with diabetes.
Diabetic Ketoacidosis(DKA, also see Diabetic Coma) The basis for DKA is either absolute deficiency of insulin or acute resistance to insulin developing when absolute insulin…
diabetic nerve damageDamage to the nerves of a person with diabetes. Nerve damage may affect the feet and hands, as well as major organs.
Diabetic Neuropathy(Peripheral and Autonomic Neuropathies) Damage to the nervous system which affects the peripheral nervous system causing impairment of motor nerves…
Diabetic RetinitisInflammation of the retina of the eye caused or complicated by diabetes.
Diabetic Retinopathy(Background and Proliferative Retinopathy) A progressive disorder of the retina damaging the receptor cells and small blood vessels in the eye that can…
Diabetologist(Diabetology) A specialist in the field of medicine concerned with diabetes.
Diablo WindSimilar to Santa Ana winds in southern California. These winds occur below canyons in the East Bay hills (Diablo range) and in extreme cases can exceed 60…
diacriticsA mark that is added to a letter to change a word's pronunciation or to distinguish between similar words, such as an accent mark or the German umlaut.
diagnoseDoctors look at many things to find out if you have breast cancer. For example, they look at different physical signs, ask questions about your symptoms…
DiagnosisThe process of identifying a disease from its signs and symptoms using patient history, examination, and laboratory and other test results.
DiagnosticAn item that is indicative of a particular time and/or cultural group.
diagnostic mammogramX-ray of the breasts used to check for breast cancer after a lump or other sign or symptom of breast cancer has been found.
Diagnostic ModelA computer model used to calculate air pollution concentrations. A diagnostic model produces a wind field over an area by interpolating from actual wind…
diagnostic programA program used to investigate the cause or the nature of conditions or problems within specified elements of a system. 2.
Diagnostic toolAny artifact which, because of form, shape, or function, provides chronological or manufacturing information.
diagnostic trialA research study that evaluates methods of detecting disease.
diakinesisA stage of meiosis at the end of prophase I, in which the contraction of the chromosomes is almost at a maximum, pairing configurations are well defined…
dial aroundPertaining to long-distance services that require consumers to dial a long-distance provider's access code (or a "10-10" number) before dialing a…
Dial by NameA feature that enables a caller to enter a person's name using the keys on a telephone. [Exchange 2007]
dial modeOperation of data circuit-terminating equipment (DCE) so that circuitry, such as data terminal equipment (DTE), associated with call origination is…
dial planA grouping of telephony users with some specific properties, such as unique telephone extension numbers, that allow the Private Branch eXchange (PBX) to…
dial pulseA dc pulse produced by an end instrument that interrupts a steady current at a sequence and rate determined by the selected digit and the operating…
dial pulsingPulsing in which a direct-current pulse train is produced by interrupting a steady signal according to a fixed or formatted code for each digit and at a…
dial service assistance (DSA)A network-provided service feature, associated with the switching center equipment, in which services, such as directory assistance, call interception…
dial signalingSignaling in which dual tone multifrequency (DTMF) signals or pulse trains are transmitted to a switching center.
dial switching equipmentSwitching equipment actuated by electrical impulses generated by a dial or key pulsing arrangement. [47 CFR Pt.36-A]
dial throughA technique, applicable to access circuits, that permits an outgoing routine call to be dialed by the PBX user after the PBX attendant has established the…
dial toneA tone employed in a dial telephone system to indicate to the calling party that the equipment is ready to receive dial or tone pulses.
dial-pulse periodOne complete cycle of a dial pulse, consisting of fall time, break interval, rise time, and make interval. [T1.409-1996]
dial-pulse signalingA method of transmitting a telephone address over a direct-current path. The dc current is interrupted at the transmitting end in a defined pattern…
dial-tone delayThe time between the instant of going off-hook and the instant of receiving a dial tone.
dial-upA service feature in which a user initiates service on a previously arranged trunk or transfers, without human intervention, from an active trunk to a…
dialed digitsUntranslated address information collected/received from the originating line/trunk. [T1.667-1999]
dialingIn a communications system, using a device that generates signals for selecting and establishing connections.
dialog boxA box that appears when an application needs additional information to complete a task.
dialupA connection type, usually a port, that is not on a local area network and must be accessed by modem and telephone lines.
dialysis(dye-AL-ih-sis) The process of filtering the blood when the kidneys are not able to cleanse it.
Dialysis facilityAn out-patient facility where dialysis is given to people with end stage kidney disease.
Diamond DustA fall of non-branched (snow crystals are branched) ice crystals in the form of needles, columns, or plates.
DIAMONDsA DIAMOND is an index-based unit investment trust (UIT) that holds the 30 stocks in the Dow Jones Industrial Average (DJIA).
Diaphragm pumpA pump that moves water by reciprocating motion of a diaphragm in a chamber having inlet and outlet check valves.
Diaphragm wallA sheet, thin zone, or facing made of a relatively impervious material such as concrete, steel, wood, plastic, etc. Also see core wall.
Diaphragm-type earthfillAn embankment dam which is constructed mostly of pervious material and having a diaphragm of impermeable material which forms a water barrier.
Diaphragm.(DY-uh-fram) The thin muscle below the lungs and heart that separates the chest from the abdomen.
diathermy(DY-uh-THER-mee) A procedure in which tissue is heated to destroy abnormal cells.
DiatomSingle-celled or colonial algae whose cell walls are made of silica.
diazepam(dy-A-zeh-pam) A drug used to treat mild to moderate anxiety and tension and to relax muscles. It is a type of benzodiazepine. Also called Valium.
diaziquoneAn anticancer drug that is able to cross the blood-brain barrier and kill cancer cells in the central nervous system. Also called AZQ.
diazo microfilmA type of non-archival quality film processed by exposure to ammonia and used as a medium for use copies of master microforms See also microfilm and…
diazotrophAn organism that can fix atmospheric nitrogen.
dibitA group of two bits. Note: The four possible states for a dibit are 00, 01, 10, and 11. Synonym diad.
dichogamyThe condition in which the male and the female reproductive organs of a flower (or certain hermaphroditic animals) mature at different times, thereby…
dichroic filterAn optical filter that reflects one or more optical bands or wavelengths and transmits others, while maintaining a nearly zero coefficient of absorption…
dichroic mirrorA mirror used to reflect light selectively according to its wavelength.
diclofenac(dy-KLOH-fen-ak) The active ingredient in a drug that is used to treat the symptoms of rheumatoid arthritis and is being studied in the prevention and…
diclofenac sodium(dy-KLOH-fen-ak SOH-dee-um) A drug that is used to treat the symptoms of rheumatoid arthritis and is being studied in the prevention and treatment of some…
diclofenac sodium gel(dy-KLOH-fen-ak SOH-dee-um JEL) The gel form of a drug that is used to treat the symptoms of rheumatoid arthritis and is being studied in the prevention…
dictionaryA defined list of values referenced by a property.
dictionary arrangementA single alphabetic filing arrangement in which all types of entries (names, subjects, titles, etc.
dictionary attackA method of guessing a user's password or PIN by trying every word in the dictionary until successful. [Exchange 2007]
Dictionary/ThesaurusWithin the context of search, a dictionary supports linguistic processing of content and queries against a list of words/terms/phrases in order to improve…
Dictum (Pl. dicta)A judicial opinion on a point of law which is not necessary for the court's decision in a particular case.
DIDdefense in depth - multiple layers of security to provide added protection to IT resources
didanosineA drug used in the treatment of infections caused by viruses.
Dideoxynucleotide (didN)A deoxynucleotide that lacks a 3' hydroxyl group, and is thus unable to form a 3'-5' phosphodiester bond necessary for chain elongation.
die-offRefers to having many fish die at the same time, quite often baitfish; also referred to as a fish kill.
dielectricA substance in which an electric field may be maintained with zero or near-zero power dissipation, i.e., the electrical conductivity is zero or near zero.
dielectric lensIn the radio regime, a lens made of dielectric material that refracts radio waves in the same manner that an optical lens refracts light waves.