ba
by boom
(baby booms
) N‑COUNT
[usu sing] A
baby boom
is a period of time when a lot of babies are born in a particular place. [INFORMAL
] □
baby boom|er /be I bi buːmə r / (baby boomers ) also baby-boomer N‑COUNT [oft N n] A baby boomer is someone who was born during a baby boom, especially during the years after the end of the Second World War. [INFORMAL , mainly JOURNALISM ]
ba by bug|gy (baby buggies )
1 N‑COUNT A baby buggy is a small folding seat with wheels, which a young child can sit in and which can be pushed around. [BRIT ] in AM, use stroller 2 N‑COUNT A baby buggy is another word for a baby carriage . [AM ]
ba by car|riage (baby carriages ) N‑COUNT A baby carriage is a small vehicle in which a baby can lie as it is pushed along. [AM ] in BRIT, use pram
ba|by|hood /be I bihʊd/ N‑UNCOUNT Your babyhood is the period of your life when you were a baby.
ba|by|ish
/be
I
bi
I
ʃ/ ADJ
[usu ADJ
n]
Babyish
actions, feelings, or looks are like a baby's, or are immature. □
baby|sit
/be
I
bis
I
t/ (babysits
, babysitting
, babysat
) VERB
If you
babysit
for
someone or
babysit
their children, you look after their children while they are out. □ [V
+
ba
by talk
also
baby-talk
N‑UNCOUNT
Baby talk
is the language used by babies when they are just learning to speak, or the way in which some adults speak when they are talking to babies. □
bac|ca|lau|re|ate /bækəlɔː riət/ (baccalaureates )
1 N‑SING The baccalaureate is an examination taken by students at the age of eighteen in France and some other countries.
2 N‑COUNT [usu N n] In the United States, a baccalaureate service or address is a service that is held or a talk that is given during the ceremony when students receive their degrees.
bach|elor /bæ tʃələ r / (bachelors ) N‑COUNT A bachelor is a man who has never married.
Ba ch|elor of A rts (Bachelors of Arts ) N‑COUNT A Bachelor of Arts is a first degree in an arts or social science subject. In British English, it can also mean a person with that degree. The abbreviation BA or B.A. is also used.
Ba ch|elor of Sci |ence (Bachelors of Science ) N‑COUNT A Bachelor of Science is a first degree in a science subject. In British English, it can also mean a person with that degree. The abbreviation BSc or B.Sc. is also used.
ba ch|elor's de|gree (bachelor's degrees )
1 N‑COUNT A bachelor's degree is a first degree awarded by universities.
2 → see also BA , BSc
ba|cil|lus /bəs I ləs/ (bacilli ) N‑COUNT A bacillus is any bacterium that has a long, thin shape.
back
➊ ADVERB USES
➋ OPPOSITE OF FRONT; NOUN AND ADJECTIVE USES
➌ VERB USES
➊ back ◆◆◆ /bæ k/ In addition to the uses shown below, back is also used in phrasal verbs such as 'date back' and 'fall back on'. → Please look at category 17 to see if the expression you are looking for is shown under another headword.
1
ADV
[ADV
after v] If you move
back
, you move in the opposite direction to the one in which you are facing or in which you were moving before. □