alum vs old boy
old boy vs alumalum and old boy both are nouns.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| alum | Yes | No | No | No |
| old boy | Yes | No | No | No |
As nouns,
old boy is a hyponym of
alum; that is, old boy is a
word with a more specific, narrower meaning than
alum:
- alum: a person who has received a degree from a school (high school or college or university)
- old boy: a former male pupil of a school
| alum (noun) | old boy (noun) |
|---|---|
| a double sulphate of aluminum and potassium that is used as an astringent (among other things) | a vivacious elderly man |
| a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum | a former male pupil of a school |
| a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum | a familiar term of address for a man |
| a person who has received a degree from a school (high school or college or university) |
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