axis

English Thesaurus

1. the center around which something rotates (noun.artifact)

hypernym	:	mechanism,
definition	:	device consisting of a piece of machinery; has moving parts that perform some function (noun.artifact)

hyponym	:	pin, pivot,
definition	:	axis consisting of a short shaft that supports something that turns (noun.artifact)

hyponym	:	rotor head, rotor shaft,
definition	:	the axis around which the major rotor of a helicopter turns (noun.artifact)

2. the 2nd cervical vertebra; serves as a pivot for turning the head (noun.body)

hypernym	:	cervical vertebra, neck bone,
definition	:	one of 7 vertebrae in the human spine located in the neck region (noun.body)

part holonym	:	odontoid process,
definition	:	a toothlike process at the back of 2nd vertebra of the neck (noun.body)

3. a straight line through a body or figure that satisfies certain conditions (noun.cognition)

hypernym	:	line,
definition	:	a spatial location defined by a real or imaginary unidimensional extent (noun.location)

hyponym	:	coordinate axis,
definition	:	one of the fixed reference lines of a coordinate system (noun.cognition)

hyponym	:	major axis,
definition	:	the longest axis of an ellipse or ellipsoid; passes through the two foci (noun.cognition)

hyponym	:	semimajor axis,
definition	:	one-half the major axis of an ellipse; the distance from the center of an ellipse to one end (noun.cognition)

hyponym	:	minor axis,
definition	:	the shorter or shortest axis of an ellipse or ellipsoid (noun.cognition)

hyponym	:	semiminor axis,
definition	:	one-half the minor axis of an ellipse (noun.cognition)

hyponym	:	optic axis, principal axis,
definition	:	a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted (noun.cognition)

hyponym	:	optic axis,
definition	:	in a doubly refracting crystal, the line in the direction of which no double refraction occurs (noun.cognition)

4. a group of countries in special alliance (noun.group)

hypernym	:	alignment, alinement, alliance, coalition,
definition	:	an organization of people (or countries) involved in a pact or treaty (noun.group)

hyponym	:	scheduled territories, sterling area, sterling bloc,
definition	:	the group of countries whose currencies are tied to the British pound sterling (noun.group)

5. in World War II the alliance of Germany and Italy in 1936 which later included Japan and other nations (noun.group)

hypernym	:	alignment, alinement, alliance, coalition,
definition	:	an organization of people (or countries) involved in a pact or treaty (noun.group)

6. the main stem or central part about which plant organs or plant parts such as branches are arranged (noun.plant)

hypernym	:	stalk, stem,
definition	:	a slender or elongated structure that supports a plant or fungus or a plant part or plant organ (noun.plant)

hyponym	:	rachis,
definition	:	axis of a compound leaf or compound inflorescence (noun.plant)

hyponym	:	spadix,
definition	:	the fleshy axis of a spike often surrounded by a spathe (noun.plant)

part holonym	:	stele,
definition	:	the usually cylindrical central vascular portion of the axis of a vascular plant (noun.plant)

7. the center around which something rotates (noun.artifact)

derivation	:	axial,
definition	:	of or relating to or resembling an axis of rotation (adj.pert)

8. a straight line through a body or figure that satisfies certain conditions (noun.cognition)

derivation	:	axial,
definition	:	situated on or along or in the direction of an axis (adj.all)

derivation	:	axial, axile,
definition	:	relating to or attached to the axis (adj.pert)

9. the center around which something rotates (noun.artifact)

derivation	:	axial,
definition	:	of or relating to or resembling an axis of rotation (adj.pert)

10. a straight line through a body or figure that satisfies certain conditions (noun.cognition)

derivation	:	axial,
definition	:	situated on or along or in the direction of an axis (adj.all)

derivation	:	axial, axile,
definition	:	relating to or attached to the axis (adj.pert)