different between aberration vs teinoscope

English

Etymology

A learned borrowing from Latin aberr?ti? (“relief, diversion”), first attested in 1594 , from aberr? (“wander away, go astray”), from ab (“away”) + err? (“wander”). Compare French aberration. Equivalent to aberrate +? -ion.

Pronunciation

• (US) IPA^(key): /?æb.???e?.?n?/

Noun

aberration (countable and uncountable, plural aberrations)

1. The act of wandering; deviation from truth, moral rectitude; abnormal; divergence from the straight, correct, proper, normal, or from the natural state. [Late 16^th century.]
2. (optics) The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; a defect in a focusing mechanism that prevents the intended focal point. [Mid 18^th century.]
3. (astronomy) A small periodical change of position in the stars and other heavenly bodies, due to the combined effect of the motion of light and the motion of the observer. [Mid 18^th century.]
   1. (astronomy, by extension) The tendency of light rays to preferentially strike the leading face of a moving object (the effect underlying the above phenomenon).
4. A partial alienation of reason. [Early 19^th century.]
5. A mental disorder, especially one of a minor or temporary character. [Early 19^th century.]
6. (zoology, botany) Atypical development or structure; deviation from the normal type; an aberrant organ. [Mid 19^th century.]
7. (medicine) A deviation of a tissue, organ or mental functions from what is considered to be within the normal range.

Derived terms

Related terms

Translations

References

French

Etymology

From Latin aberrationem, aberratio.

Pronunciation

• IPA^(key): /a.b?.?a.sj??/

Noun

aberration f (plural aberrations)

1. aberration
2. the state of being aberrant
3. (astronomy) aberration
4. (optics) aberration
5. (physiology) aberration or mutation

Related terms

• aberrer

Further reading

• “aberration” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Anagrams

• abornerait, arboraient

English

Etymology

Ancient Greek ????? (teín?, “I extend”) + +? -scope.

Noun

teinoscope (plural teinoscopes)

1. An instrument formed by combining prisms so as to correct the chromatic aberration of the light while linear dimensions of objects seen through the prisms are increased or diminished

Synonyms

• prism telescope

References

• teinoscope in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

Anagrams

• osteopenic