a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol | activities associated with sexual intercourse |
a state of agitation or turbulent change or development | the properties that distinguish organisms on the basis of their reproductive roles |
a substance capable of bringing about fermentation | all of the feelings resulting from the urge to gratify sexual impulses |
| either of the two categories (male or female) into which most organisms are divided |