Definitions

1. adjective

Of or relating to Ernst Rückerl’s theory of arrhenogamy, the fertilization of an ovum by a sperm from a different individual or a different species.

“The biologist studied the arrhenoid effects on plant reproduction.”

2. noun

A type of pollen grain with an irregular shape.

“The botanist examined the arrhenoid pollen grains under the microscope.”

3. noun

A type of cell division in which the daughter cells are of different ploidy levels.

“The researcher observed arrhenoid cell division in the plant tissue culture.”