Science — page 132 of 132

Science terms

13101. zoospore Cite A spore that possesses flagella and is therefore motile.
13102. ZR Cite Freezing Rain
13103. Zulu (Z) Time Cite For practical purposes, the same as Coordinated Universal Time (UTC). The notation formerly used to identify time Greenwich MeanTime.
13104. Zulu Time (Z) (Z) Cite Means Coordinated Universal Time (UTC); the international time standard kept at Greenwich, England.
13105. Zurich Sunspot Classification Cite In solar-terrestrial terms, a sunspot classification system that has been modified for SESC use.
13106. zygonema Cite Stage of meiotic prophase during which chromosome synapsis occurs.
13107. zygospore Cite A thick-walled resistant spore developing from a zygote resulting from the fusion of gamete s in the course of isogamy.
13108. Zygote Cite The diploid cell formed by the fusion of two haploid gamete s during fertilization in eukaryotic organisms with sexual reproduction.
13109. zygotene Cite (adj.) See: zygonema.
13110. zymogen Cite Inactive enzyme precursor that after secretion is chemically altered to the active form of the enzyme.