a-, ab-, abs-

(Latin: prefix; from, away, away from)

This prefix is normally used with elements of Latin and French origins (abs- usually joins elements beginning with c, q, or t).

The form ab- is regularly used before all vowels and h; and it becomes a- before the consonants m, p, and v. The prefix apo- has similar meanings.

This list is a very small sample of the multitudes of a-, ab-, abs- prefixes that are available in dictionaries and those in this unit are only meant to present a few examples.



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avoid (verb), avoids; avoided; avoiding
1. To keep away from, to shun: "Because of her sensitive skin, Geraldine tries to avoid sitting in the sun."
2. To stay clear from; keep away from; keep out of the way of someone or something: "Lauren's former husband now avoids her."
3. To prevent the occurrence of; prevent from happening: "If at all possible, people should avoid repeating the same mistakes when investing their money in this project."
4. To refrain from doing something: "Nations should try to avoid starting so many wars with each other."
5. To refrain from certain foods or beverages: "During fasting, one should avoid eating solid food; however, liquids are recommended."
telescopic shock absorber (s) (noun), telescopic shock absorbers (pl)
A tubular spring damper operated by rod and piston which is considered to be the most common type of shock absorber: "The mechanic installed new telescopic shock absorbers on his pick up truck."
visible absorption spectrophotometry (s) (noun), visible absorption spectrophotometries (pl)
1. The photometric measurement of the wavelengths of visible radiation absorbed by a sample and which correspond to electron transitions from the ground state to an excited state: "He developed a new visible absorption spectrophotometry device that enhanced the scientific studies in his university classes."
2. Study of the spectra produced by the absorption of visible-light energy during the transformation of an electron from the ground state to an excited state as a function of the wavelength causing the transformation: "In the teacher's advanced physics program, his students studied the visible absorption spectrophotometries of light energy."