nouns
a straight line through a body or figure that satisfies certain conditions
is a type of (narrower)
a spatial location defined by a real or imaginary unidimensional extent
the main stem or central part about which plant organs or plant parts such as branches are arranged
is a type of (narrower)
a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
a group of countries in special alliance
the 2nd cervical vertebra; serves as a pivot for turning the head
the center around which something rotates