ETYM Latin reflexio: cf. French réflexion. Related to Riflect.
1. The ability to reflect beams or rays; SYN. reflexion, reflectivity.
2. The image of something as reflected by a mirror (or other reflective material).
3. The phenomenon of a propagating wave (light or sound) being thrown back from a surface; SYN. reflexion.
ETYM Old Eng. shade, shadewe, schadewe, as. sceadu, scead; akin to os. skado, Dutch schaduw, Old High Germ. scato, (gen. scatewes), German schatten, Goth. skadus, Irish and Gael. sgath, and probably to Greek skotos darkness. Cf. Shadow, Shed a hat.
1. A quality of a given color that differs slightly from a primary color; SYN. tint, tincture, tone.
2. Relative darkness caused by light rays being intercepted by an opaque body; SYN. shadiness, shadowiness.
3. Something that protects from direct sunlight.
ETYM Originally the same word as shade. Related to Shade.
1. The shade cast by an object blocking light, usually in the form of an identifiable shape.
2. Shade within clear boundaries.
3. Refuge from danger or observation.
4. An inseparable companion.
5. A premonition of something adverse.
Area of darkness behind an opaque object that cannot be reached by some or all of the light coming from a light source in front. Its presence may be explained in terms of light rays traveling in straight lines and being unable to bend round obstacles. A point source of light produces an umbra, a completely black shadow with sharp edges. An extended source of light produces both a central umbra and a penumbra, a region of semidarkness with blurred edges where darkness gives way to light.
Eclipses are caused by the Earth passing into the Moon' s shadow or the Moon passing into the Earth's shadow.
ETYM French ombrage shade, suspicion, umbrage, Latin umbraticus belonging to shade, from umbra a shade. Related to Umber, Umbratic.
Shade; foliage; offence.
A feeling of anger caused by an offence; SYN. offense.