reflex

noun · adjective · verbA2

Định nghĩa theo từ loại

Danh từ

noun

Plural noun:

reflexes

1.
An automatic response to a simple stimulus which does not require mental processing.
For a while, I shall have to make a conscious effort to smile, nod, stand and perform the thousands of little gestures which constitute life on Earth, and then those gestures will become reflexes again.
2.
(linguistics) The descendant of an earlier language element, such as a word or phoneme, in a daughter language.
3.
(rare)(linguistics, rare) The ancestor word corresponding to a descendant.
4.
The descendant of anything from an earlier time, such as a cultural myth.
5.
(chiefly photography) A reflection or an image produced by a reflection; the light reflected from an illuminated surface to one in shade.
A reflex camera uses a mirror to reflect the image onto a ground-glass viewfinder.

Tính từ

adjective

Comparative

more reflex

Superlative

most reflex

1.
Bent, turned back or reflected.
2.
Produced automatically by a stimulus.
3.
(geometry, of an angle) Having greater than 180 degrees but less than 360 degrees.
If the reflex region is the interior of the angle, the dihedral angle is reflex.
P denotes a polygon and r the number of reflex vertices.
4.
(painting) Illuminated by light reflected from another part of the same picture.

Động từ

verb

V_es/s

reflexes

V_ing/Gerund

reflexing

V_ed/pp

reflexed

1.
(transitive)To bend back or turn back over itself.
2.
(obsolete, transitive)To reflect (light, sight, etc.).
3.
(obsolete, transitive)To reflect or mirror (an object), to show the image of.
4.
(obsolete, transitive)To cast (beams of light) on something.
5.
To respond to a stimulus.

Từ liên quan

Đồng nghĩa

re-entrantof an angle re-entrant

Trái nghĩa

etymon

Cùng gốc / liên quan

baroreflexchemoreflexexcitoreflexhyperreflexiahyporeflexiamechanoreflexmetaboreflexmultireflexneuroreflexreflexlessreflexmatereflexogenicreflexographreflexologyreflex bleedingkneejerk reflexMoro reflexpatellar reflexAchilles tendon reflex timeprimitive reflex

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Nguồn gốc từ

From la-lat reflexus, past participle of reflectere (to bend back), equivalent to re- + flex. Photography sense is from noun sense meaning “reflection”. Compare reflect.