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electroreflectance, electro-reflectance, ER
1. The study of reflection spectra produced by electromodulation of a sample.
2. Electromodulation in which reflection spectra are studied.

Electromodulation consists of modulation spectroscopy in which changes in transmission or reflection spectra induced by a perturbing electric field are measured.

This entry is located in the following unit: electro-, electr-, electri- (page 79)
(a suffix with a variety of applications)
Word Entries containing the term: “er
-er1
1. A suffix meaning a person or thing that does something, player, teacher; is something, foreigner; lives somewhere, villager; makes or works with something, hatter, butler, grocer; has something, rancher, double-decker; or is connected with or involved in something, first-grader.
2. This -er is used to form nouns either from verbs, as burner, climber, player, thinker; or from other nouns, as rancher, cottager, outsider, New Yorker.
This entry is located in the following unit: -er (page 1)
-er2
A suffix forming the comparative degree of adjectives, as in cooler, softer, smoother; and of adverbs, as in slower.
This entry is located in the following unit: -er (page 1)
-er3
A suffix meaning frequently, again and again, in verbs; such as, flicker, glimmer, patter, clatter, flutter, jabber, and putter.
This entry is located in the following unit: -er (page 1)