uranium

[ju'reiniəm]

noun

(a radioactive element.)

urban

['ə:bən]

adjective

(of, consisting of, or living in, a city or town: He dislikes urban life; urban traffic.)

urchin

['ə: in]

noun

(a mischievous, usually dirty or ragged, child, especially a boy: He was chased by a crowd of urchins.)

urge

[ə:‹]

1. verb

1) (to try to persuade or request earnestly (someone to do something): He urged her to drive carefully; `Come with me,' he urged.)

2) (to try to convince a person of (eg the importance of, or necessity for, some action): He urged (on them) the necessity for speed.)

2. noun

(a strong impulse or desire: I felt an urge to hit him.)

- urge on

urge on

(to drive or try to persuade (a person etc) to go on or forwards: He urged himself on in spite of his weariness.)

urgency

noun (need for immediate action, speed etc: This is a matter of great urgency.)

urgent

['ə:‹ənt]

adjective

(needing immediate attention: There is an urgent message for the doctor.)

- urgently

- urgency

urgently

adverb

urinary

adjective a urinary infection.)

urinate

['juərineit]

verb (to pass urine from the bladder.)

urine

['ju:rin]

noun

(the waste fluid passed out of the body of animals from the bladder.)

- urinary

- urinate

urn

[ə:n]

noun

1) (a tall vase or other container, especially for holding the ashes of a dead person: a stone-age burial urn.)

2) (a large metal container with a tap, in which tea or coffee is made eg in a canteen etc: a tea-urn.)