Reference meaning
I
Last updated
a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)
Related source terms
Other meanings
2. noun
the smallest whole number or a numeral representing this number
3. noun
the 9th letter of the Roman alphabet
4. adjective
used of a single unit or thing; not two or more
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 14641397-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.