- Migrated to GDrive
Earth—No preceding "the." Always written up, except when referring to soil. Sun is also always up, but moon may be written down. [revised 08/2001]
Earth system— "system" not capitalized. Open (no hyphen) as both noun and adjective. [09/2000]
ed.—abbreviation for edition; used in reference and publication lists. Edition numbers are treated according to the usual rule for numbers: first ed., 12th ed.
Ed.—abbreviation for editor; used in reference and publication lists
editorial notes—In all publications, these are styled in italics with no indent. At end; use —Ed. (that's an em dash).
e.g.—not in italics; always set off by commas; stands for "exempli gratia" (for example)
Ekman-Hartmann boundary layers
email—no longer written with a hyphen [revised 03/2011]
elements—See "chemical elements."
El Niño—with tilde. Often El Niño/Southern Oscillation.
emission-line profile—Use hyphen.
Employee Activities Committee—abbreviated EAC
- between inclusive numerals: 1983–84, 10–12 May. But note that May-June 1984 should have a hyphen.
- between dates containing two or three elements: 10 April–10 June, 10 April 1983–10 June 1984.
- in a compound adjective if one element either contains two words or is hyphenated.
- in sports scores
- as the minus symbol in temperatures below zero
English institutions—use their spelling (e.g., "Centre")
enstrophy—mean square vorticity