Energy terms starting with Y

8 terms

1. Yardang A wind-carved rock ridge feature found in desert environments.
2. Yarder A machine used in yarding timber.
3. Yarding The initial movement of logs from the point of felling to a central loading area or landing.
4. Yarding unmerchantable material (YUM) A logging contract requirement to remove and pile unmerchantable woody material of a specified size.
5. Yaw The rotation of a horizontal axis wind turbine around its tower or vertical axis.
6. yeast A unicellular ascomycete fungus, commonly found as a contaminant in plant tissue culture.
7. Yellow Grease Second-hand cooking oil that can be used to produce biodiesel.
8. Yurt An octagonal shaped shelter that originated in Mongolia, and traditionally made from leather or canvas for easy transportation.