The wife of one's biological father, other than one's biological mother. / (botany, rare) A viola, especially Viola tricolor, heartsease.

(nonstandard) Beginning; start.

A woman who is said, in the Bible, to have been restored to life by Peter. / A female given name from Ancient Greek of biblical origin.

(biochemistry) Addition of an adenylyl group (typically from adenosine monophosphate)