gum

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Human, Food, Technology, Daily life, Forestry, Plants

gum1 /ɡʌm/ ●●● S3 noun  1. [countable usually plural]HBHHBA your gums are the two areas of firm pink flesh at the top and bottom of your mouth, in which your teeth are fixed 齿龈，牙龈2. [uncountable]DF chewing gum 口香糖3. [uncountable] British EnglishTD a type of glue used to stick light things such as paper together 黏胶4. [uncountable]TAF a sticky substance found in the stems of some trees 树胶5. [countable]HBP a gum tree 产树胶的树，胶树6. by gum! spoken old-fashionedSURPRISED used to express surprise 哎哟！〔表示惊讶〕

Examples from the Corpus

gum• There, they surrendered cigarettes, breath mints and gum, which might pick up radioactivity that could be ingested.• Somewhere between ginger, orange, peppermint and chewing gum.• Vitamin C is also important for healthy gums.• She was always laughing, and her gums were all pink and wet and shiny.• He champed on his gum in time to the music, and kept a poker-faced expression.• The forests are mostly mixes of loblolly pine and sweet gum, with a holly and huckleberry understory.• The gum looks clear over them and they will soon be through.gum2 verb (gummed, gumming) [transitive always + adverb/preposition]  1 British English old-fashionedSTICK to stick things together using glue 〔用胶〕黏住 SYN gluegum something to something A large label had been gummed to the back of the photograph. 照片的背后贴了一张大标签。2 gum something ↔ up phrasal verb informal STOP something THAT IS HAPPENINGto prevent a machine from moving and working properly 使〔机器〕卡住；使出故障 Dirt had got inside the watch and gummed up the works. 手表里进了污垢，把机件卡住了。→ See Verb table

Examples from the Corpus

gum• The Crows thought long hair was fashionable, and sometimes gummed horsetails into it to increase its length.• Any post office receipts for registered mail should be gummed into a special book kept for that purpose. 5.• The theory is that his balky digestion -- gummed up by too much fruit -- will now return to normal.• Her mouth was gummed up from licking too many envelopes, and she needed a cup of coffee.• It can gum up the intestine or cause acute appendicitis.• It is a good idea to open and close valves every so often to make sure that they don't get gummed up.• My release is getting all gummed up.Origin gum1 1. Old English goma2. (1300-1400) Old French gomme, from Greek kommi, from Egyptian qmy.t3. (1800-1900) God

gum1 noungum2 verbChinese  

of your are gums areas the two Corpus

gum

I

gum¹ /ɡʌm/ noun1. [countable usually plural] your gums are the two areas of firm pink flesh at the top and bottom of your mouth, in which your teeth are fixed
2. [uncountable] chewing gum
3. [uncountable] British English a type of glue used to stick light things such as paper together
4. [uncountable] a sticky substance found in the stems of some trees
5. [countable] a gum tree
6. by gum__ spoken old-fashioned used to express surprise

II

gum² verb (past tense and past participle gummed, present participle gumming) [transitive always + adverb/preposition]
British English old-fashioned to stick things together using glue
   SYN  glue
    gum something to something
    A large label had been gummed to the back of the photograph.
     
gum something ↔ up phrasal verb informal
  to prevent a machine from moving and working properly:
    Dirt had got inside the watch and gummed up the works.