Meaning of is by Wiktionary Dictionary
- si, Si, SI
- This is the plural form of the letter, not the word. There has been some difference of opinion regarding the use of apostrophes in the pluralization of references to letters as symbols. New Fowler's Modern English Usage after noting that the usage fashion has changed states at page 602, "But after letters an apostrophe is obligatory." The 15th edition of The Chicago Manual of Style states at paragraph 7.16, "To avoid confusion, lowercase letters ... form the plural with an apostrophe and an s". The Oxford Style Manual at page 116 advocates the use of common sense .
- si, Si, SI
- Is v. i. [AS. is; akin to G. & Goth. ist, L. est, Gr. , Skr. asti. √9. Cf. Am, Entity, Essence, Absent.] The third person singular of the substantive verb be, in the indicative mood, present tense; as, “he is; he is a man”. See Be.
☞ In some varieties of the Northern dialect of Old English, is was used for all persons of the singular.
For thy is I come, and eke Alain. Chaucer.
Aye is thou merry. Chaucer.
☞ The idiom of using the present for future events sure to happen is a relic of Old English in which the present and future had the same form; as, this year Christmas is on Friday.
To-morrow is the new moon. 1 Sam. xx. 5.
By Wiktionary ( 2011/03/07 08:29 UTC Version )
By Wiktionary ( 2010/12/12 05:21 UTC Version )
By Wiktionary ( 2011/03/09 15:58 UTC Version )
Definition of is by GCIDE Dictionary