hemispheroid

As a noun hemispheroid is

a half of a spheroid.

As nouns the difference between terms and hemispheroid

is that terms is while hemispheroid is a half of a spheroid.

As nouns the difference between spheroid and hemispheroid

is that spheroid is a solid of revolution generated by rotating an ellipse about its major (prolate), or minor (oblate) axis while hemispheroid is a half of a spheroid.

As an adjective spheroid

is of a shape similar to a squashed sphere.

As nouns the difference between half and hemispheroid

is that half is one of two usually roughly equal parts into which anything may be divided, or considered as divided; — sometimes followed by of; as, a half of an apple while hemispheroid is a half of a spheroid.

As an adjective half

is consisting of a moiety, or half (1/2, 50%).

As an adverb half

is in two equal parts or to an equal degree; in some part approximating a half; partially; imperfectly.

As a verb half

is to halve.

As a preposition half

is a half-hour after, thirty minutes after (used with the number of the hour).