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Ray
01
raie, batoïde
a flat-bodied marine cartilaginous fish with eyes on the upper surface, swimming primarily using large, wing-like pectoral fins
Exemples
The diver spotted a manta ray gliding over the reef.
Rays are closely related to sharks.
02
a straight line that starts at a point and extends infinitely in one direction
Exemples
The geometry teacher drew a ray from point A through point B.
In diagrams, rays are often labeled with the endpoint and another point.
03
rayon
a column of light, such as that emitted from a beacon or focused source
Exemples
A ray of sunlight streamed through the window.
The lighthouse sent a bright ray across the harbor.
04
a single branch of an umbel or an umbrella-shaped flower cluster
Exemples
Each ray of the carrot flower bears several small blossoms.
Each ray of the sunflower's inflorescence holds tiny florets.
05
a stiff, segmented bony or cartilaginous structure that supports and extends the fins of a fish
Exemples
Rays in the pectoral fin help the fish maneuver.
The fish 's dorsal fin is supported by several rays.
06
the syllable used in solmization to name the second note of a major scale
Exemples
In the C major scale, the note D is sung as " ray. "
Students practiced singing the scale from " do " to " ray. "
to ray
01
to expose something to radiation
Exemples
The lab rayed the samples to test their durability.
Scientists rayed the specimen to observe structural changes.
02
to extend, spread, or project outward from a center or inward toward a center
Exemples
Warmth seemed to ray from the fireplace into the room.
The spokes rayed outward from the hub of the wheel.
03
to emit energy, light, or other rays
Exemples
Certain minerals rayed fluorescence under ultraviolet light.
The bulb rayed brightly after being switched on.
Arbre Lexical
rayless
ray
