Fighter is a initialism of xp.

As a noun fighter

is a person who fights, a combatant.

As an initialism xp is

(computing) or xp can be (us|military|aviation|obsolete) experimental pursuit fighter (prefix).

As an abbreviation xp is

(grammar|x-bar theory) "x phrase": a phrase which consists of either: (1) an optional specifier and an x-bar phrase, or (2) a conjunction sandwiched between two other xps the x is a "pro-letter" which can be substituted by letters such as n for noun, v for verb, p for preposition, i for inflectional, etc.

Xa is a see also of xp.

As an initialism xp is

(computing) or xp can be (us|military|aviation|obsolete) experimental pursuit fighter (prefix).

As an abbreviation xp is

(grammar|x-bar theory) "x phrase": a phrase which consists of either: (1) an optional specifier and an x-bar phrase, or (2) a conjunction sandwiched between two other xps the x is a "pro-letter" which can be substituted by letters such as n for noun, v for verb, p for preposition, i for inflectional, etc.

As nouns the difference between organ and monoecy

is that organ is organ while monoecy is (biology) the state of having both male and female sex organs; hermaphrodism.

As nouns the difference between hermaphrodism and monoecy

is that hermaphrodism is a congenital condition in which an organism possesses the reproductive organs of both sexes while monoecy is the state of having both male and female sex organs; hermaphrodism.

In botany|lang=en terms the difference between pistil and monoecy

is that pistil is (botany) a discrete organ in the center of a flower capable of receiving pollen and producing a fruit, it is divided into an ovary, style and stigma while monoecy is (botany) the state of having pistils and stamens on separate flowers of the same plant.

As nouns the difference between pistil and monoecy

is that pistil is (botany) a discrete organ in the center of a flower capable of receiving pollen and producing a fruit, it is divided into an ovary, style and stigma while monoecy is (biology) the state of having both male and female sex organs; hermaphrodism.

As nouns the difference between stamen and monoecy

is that stamen is in flowering plants, the structure in a flower that produces pollen, typically consisting of an anther and a filament while monoecy is (biology) the state of having both male and female sex organs; hermaphrodism.

In botany|lang=en terms the difference between plant and monoecy

is that plant is (botany) an organism of the kingdom plantae''; now specifically, a living organism of the ''embryophyta'' (land plants) or of the ''chlorophyta'' (green algae), a eukaryote that includes double-membraned chloroplasts in its cells containing chlorophyll ''a'' and ''b , or any organism closely related to such an organism while monoecy is (botany) the state of having pistils and stamens on separate flowers of the same plant.

As nouns the difference between plant and monoecy

is that plant is an organism that is not an animal, especially an organism capable of photosynthesis typically a small or herbaceous organism of this kind, rather than a tree while monoecy is (biology) the state of having both male and female sex organs; hermaphrodism.

As a verb plant

is to place (a seed or plant) in soil or other substrate in order that it may live and grow.

Dioecy is a related term of monoecy.

As nouns the difference between dioecy and monoecy

is that dioecy is the condition of being dioecious while monoecy is (biology) the state of having both male and female sex organs; hermaphrodism.

As nouns the difference between structure and ultrastructure

is that structure is a cohesive whole built up of distinct parts while ultrastructure is the fine, detailed structure of a biological specimen that can only be observed by electron microscopy.

As a verb structure

is to give structure to; to arrange.

Ultrastructure is a derived term of ultrastructural.

As an adjective ultrastructural

is of or pertaining to ultrastructure.

As a noun ultrastructure is

the fine, detailed structure of a biological specimen that can only be observed by electron microscopy.