one-

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Translations

one-

[wʌn] PREFIXde un ..., de un solo ..., uni-, un-
a one-line messageun mensaje de una sola línea
a one-celled animalun animal unicelular
a one-day excursion (US) → un billete de ida y vuelta en un día

one

(wan) noun
1. the number or figure 1. One and one is two (1 + 1 = 2).
2. the age of 1. Babies start to talk at one.
pronoun
1. a single person or thing. She's the one I like the best; I'll buy the red one.
2. anyone; any person. One can see the city from here.
adjective
1. 1 in number. one person; He took one book.
2. aged 1. The baby will be one tomorrow.
3. of the same opinion etc. We are one in our love of freedom.
one-
having one (of something). a one-legged man.
oneˈself pronoun
1. used as the object of a verb, the subject of which is one. One should wash oneself every morning.
2. used in emphasis. One always has to do these things oneself.
one-night ˈstand noun
(slang) a one-night sex partner; sexual intercourse with a one-night partner.
one-ˈoff noun, adjective
(something) made, intended etc for one occasion only. It's just a one-off arrangement.
one-parent ˈfamily noun
(also single parent family) a family with only a mother or a father to look after the children.
one-ˈsided adjective
1. with one person or side having a great advantage over the other. a one-sided contest.
2. representing only one aspect of a subject. a one-sided discussion.
one-ˈway adjective
1. in which traffic can move in one direction only. a one-way street.
2. (especially American) valid for travel in one direction only. a one-way ticket.
one-year-old noun
a person or animal that is one year old.
adjective
(of a person, animal or thing) that is one year old.
all one
just the same. It's all one to me what she does.
be one up on (a person)
to have an advantage over (someone). We brought out a book on this before our rivals so we're one up on them.
not be oneself
to look or feel ill, anxious etc. I'd better go home – I'm not myself today.
one and all
all (of a group). This was agreed by one and all.
one another
used as the object of a verb when an action takes place between people etc. They hit one another.
one by one
(of a number of people, things etc) one after the other. He examined all the vases one by one.
one or two
a few. I don't want a lot of nuts – I'll just take one or two.

one of is followed by a plural noun or pronoun, but takes a singular verb: One of the girls works as a hairdresser ; One of them is ill .