the normal to a curve, lying perpendicular to the osculating plane at a given point on the curve.
having two nuclei. adjective (biology) having two nuclei: a binucleate cell Also binuclear, binucleated
- Binuclear family
a social unit composed of an extended family, usually the children and subsequent spouses of divorced parents.
marked with two ocelli or eyelike parts. adjective (of animals and plants) marked with two eyelike spots or ocelli
the study of the interrelations among living organisms in their natural environment; ecology. noun another word for ecology (sense 1) noun Word Origin