EER

1. energy efficiency ratio.

   Category: Energy

e'er^*ɛər(adv.)

1. ever.

^* Chiefly Literary..

Origin of e'er:

1595–1605

-eer

1. a noun-forming suffix occurring orig. in loanwords from French (buccaneer; mutineer; pioneer) and productive in the formation of English nouns denoting persons who produce, handle, or are otherwise associated with the referent of the base word (auctioneer; engineer; mountaineer; pamphleteer); now frequently pejorative (profiteer; racketeer).

   Category: Common Vocabulary, Affix

   Ref: Compare -ary 2 , -er2 4 2 , -ier2. 2

Origin of -eer:

< F, MF -ier (OF < L -ārius -ary as suffix of personal nouns); in some nouns r. earlier suffixes (see engineer , charioteer ) or the F suffix -aire -aire (see musketeer , volunteer )