unicamˈeralism noun

The system or principle of having one legislative chamber

unicamˈeralist noun

unicellˈular adjective

Of or having only one cell

unicenˈtral adjective

Having a single centre

ūˈnicolor, ūˈnicolour, ūˈnicoloured, (or /-kulˈ/), unicolˈorate, or unicolˈorous adjective

Of one uniform colour

ūˈnicorn noun

1. (L cornū a horn) a mythical animal mentioned by ancient Greek and Roman authors as a native of India, with a body like a horse and one straight horn
2. An unfortunate translation of the Hebrew re᾽ēm (Assyrian rímu) anticipated by the monokerōs of the Septuagint, variously understood as the rhinoceros, wild ox, or ox-antelope (Bible)
3. Applied to various animals with the appearance of a single horn, such as the narwhal (also unˈicorn-whale), a moth (unˈicorn-moth) whose caterpillar has a long process, an American Pacific gastropod (genus Latirus, etc) with a spine on the lip of the shell (unˈicorn-shell)
4. A team of two abreast and one in front, or a carriage drawn by it
5. An old Scottish gold coin bearing a unicorn, worth 18 shillings Scots
6. (with cap) one of the Scottish pursuivants

adjective

One-horned

adverb

With two abreast and one in front

unicosˈtāte adjective

(L costa rib) one-ribbed

ūˈnicycle noun

An acrobat's one-wheeled cycle

unidirecˈtional adjective

Mainly or wholly in one direction

unifīlˈar adjective

(L fīlum thread) with one thread

uniflōˈrous adjective

(L flōs, flōris a flower) one-flowered

unifoˈliate adjective (L folium leaf; botany)

1. With only one leaf
2. Unifoliolate

unifōˈliolāte adjective (L foliolum, dimin of folium leaf; botany)

Having a single leaflet, but compound in structure

unilāˈbiate adjective

(L labium lip) one-lipped

unilatˈeral adjective

1. (L latus, lateris side) one-sided
2. On one side
3. Affecting or involving, etc, only one person or group, etc, out of several
4. Produced with one side of the tongue only, as a Welsh ll (phonetics) (Unilateral Declaration of Independence one declared by a dependent state without the agreement of its protector)

unilatˈeralism noun

unilatˈeralist noun

Someone who favours unilateral action, esp in abandoning or reducing production of nuclear weapons

unilateralˈity noun

unilatˈerally adverb

unilingˈual adjective

(L lingua tongue) of, in or using, one tongue or language

unilitˈeral adjective

(L littera, lītera letter) of, or involving, one letter or script

unilōˈbar or unilōbedˈ adjective

Having one lobe

unilobˈular adjective

Having one lobule

unilocˈular adjective

Having only one loculus or cavity

unimolecˈular adjective

Monomolecular

uninūˈclear adjective

With a single nucleus

uninūˈcleate adjective

unipˈarous adjective

(L parere to bring forth) producing one at a birth

adjective (botany)

Monochasial

uniparˈtite adjective

Not divided into parts

uˈniped adjective

(see -ped) one-footed

noun

A one-footed person, animal or object

uniperˈsonal adjective

Existing as only one person

uniplāˈnar adjective

Lying in one plane

ūˈnipod noun

(see -pod) a one-legged support, eg for a camera

unipōˈlar adjective

1. Of, from or using one pole
2. (of a nerve cell) having one process only
3. (of a psychiatric illness) characterized by either depressive or manic episodes but not both

unipolarˈity noun

unipōˈtent adjective (zoology)

Capable of forming only a single cell type

uˈniramous adjective (zoology)

Having only one branch, as some Crustacean appendages (cf biramous)

unisēˈrial adjective

In one series or row

unisēˈrially adverb

unisēˈriate adjective

Uniserial

unisēˈriately adverb

ūˈnisex adjective

1. (of a style, esp in clothes) adopted by both sexes
2. Applicable to or usable by, etc, persons of either sex

unisexˈual adjective

Of one sex only

unisexualˈity noun

unisexˈually adverb

ūˈnison (or/-zən/) noun

1. (L sonus sound, sonāre to sound) identity of pitch
2. Loosely, pitch differing by one or more octaves
3. A sound of the same pitch
4. Complete agreement

adjective

In unison

unisˈonal adjective

unisˈonally adverb

unisˈonance noun

unisˈonant adjective

unisˈonous adjective

univāˈlence (or /-ivˈəl-/) or univāˈlency (or /-ivˈəl-/ noun)

univāˈlent (or /-ivˈəl-/) adjective (chem)

Having a valency of one, capable of combining with one atom of hydrogen or its equivalent

adjective and noun

(relating to) one of the single chromosomes that separate in the first meiotic division

ūˈnivalve adjective

Having one valve or shell only

noun

1. A shell of one valve only
2. A mollusc whose shell is composed of a single piece

univalˈvular adjective

univāˈriant adjective

Having one degree of freedom

univāˈriate adjective

(of a distribution) having one variate only

univolˈtine adjective

(Ital volta a turn, winding) of silkworms, having one brood a year