|with reference to|
|usage Re, in contexts such as re your letter, your remarks have been noted or he spoke to me re your complaint, is common in business or official correspondence. In general English with reference to is preferable in the former case and about or concerning in the latter. Even in business correspondence, the use of re is often restricted to the letter heading|
|—the internet domain name for|
|—the chemical symbol for|
|Re or re3|
|re or re3|
|1.||indicating return to a previous condition, restoration, withdrawal, etc: rebuild; renew; retrace; reunite|
|2.||indicating repetition of an action: recopy; remarry|
|usage Verbs beginning with re- indicate repetition or restoration. It is unnecessary to add an adverb such as back or again: This must not occur again (not recur again); we recounted the votes (not recounted the votes again, which implies that the votes were counted three times, not twice)|
|are: we're; you're; they're|
The symbol for the element rhenium.
Again; anew: rebreathing.
Backward; back: recurvation.
The symbol for rhenium.
|rhenium (rē'nē-əm) Pronunciation Key
A very rare, dense, silvery-white metallic element with a very high melting point. It is used to make catalysts and electrical contacts. Atomic number 75; atomic weight 186.2; melting point 3,180°C; boiling point 5,627°C; specific gravity 21.02; valence 1, 2, 3, 4, 5, 6, 7. See Periodic Table.
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