mono-, mon-

(Greek: one, alone, single; a number used as a prefix)

monorchis
A person or animal with only one testicle.
monorchism
The condition of having only one testicle.
monorheme, monorhemic
A single element or word with a phrasal meaning.
monorhinal
monorhine
1. Having a single nasal passage, instead of the usual two; such as, lampreys (freshwater jawless fish with a round sucking mouth for attaching itself to other fish and, in the case of adults, feeding parasitically on their blood).
2. Single-nosed; used in medicine to characterize conjoined twins in which cephalic fusion has left only a single evident nose cavity.
monosaccharide
1. A simple sugar; such as, glucose or fructose that cannot be broken down into simpler sugars.
2. Any of several carbohydrates; such as, tetroses, pentoses, and hexoses, that can not be broken down to simpler sugars by hydrolysis. Also called simple sugar.
3. The component unit of an oligosaccharide (a carbohydrate that consists of a relatively small number of monosaccharides) or polysaccharide (a class of carbohydrates; such as, starch and cellulose, consisting of a number of monosaccharides joined by glycosidic bonds).

See carbo- for more details about carbohydrates.

monoseme (s) (noun), monosemes (pl)
A word, or phrase, that has only one meaning and that normally is unambiguous.
monosemic
A descriptive term referring to words or phrases that have one, unambiguous, meaning.
monosemous (adverb), more monosemous, most monosemous
A reference to having only one meaning; such as, a word, a statement, etc.
monosemy (noun) (no plural)
The linguistic feature or fact of having only one meaning: The majority of natural human languages are not monosemy but polysemous, that is, having more than one meaning per word.
monosodium
monospermous
monostele, monostelic
A single axial cylinder of tissue in certain plants.
monostely, monostelous
Having a single stele.
monostich
1. A poem, or an epigram, consisting of a single metrical line.
2. A single metrical line of poetry.