alum

Questions about alum

What is another word for alum?

It depends which alum you mean. In the sense “a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum”, the synonyms are ammonia alum, ammonium alum. Across all 4 senses there are 8 distinct synonyms, and they are not interchangeable with each other — this page lists them under the sense each one belongs to.

What is the opposite of alum?

WordNet records no antonym for alum. Antonymy in WordNet is a relation between specific word forms rather than between concepts, so it is recorded only where lexicographers judged the pairing direct. An absence here means none was recorded, not that none can be imagined.

Why are the synonyms for alum split into groups?

Because alum carries 4 recorded senses and each has its own set of substitutes. A single flat list would put words from unrelated meanings side by side with nothing to tell them apart, which is exactly how a writer picks the wrong one. The grouping comes from WordNet's synsets, not from an editorial judgement of ours.

Where do the synonyms for alum come from?

From Princeton University's WordNet, a lexical database maintained by lexicographers since 1985. A synonym here means a word form that shares a synset with this word — a set of forms interchangeable in one recorded context. Nothing on this page is generated by a language model.

Other views of alum

• Full entry for alumAll 4 senses, with examples, usage labels, syllables and pronunciation.
• Rhymes for alumWords matching from the last stressed vowel onward, grouped by syllable count.
• Thesaurus homeHow WordNet synsets work, and the collections built for synonym work.