English Dictionary |
REFLECTIVITY
Pronunciation (US): | (GB): |
Dictionary entry overview: What does reflectivity mean?
• REFLECTIVITY (noun)
The noun REFLECTIVITY has 3 senses:
1. the fraction of radiant energy that is reflected from a surface
2. the ability to reflect beams or rays
3. the capability of quiet thought or contemplation
Familiarity information: REFLECTIVITY used as a noun is uncommon.
Dictionary entry details
Sense 1
Meaning:
The fraction of radiant energy that is reflected from a surface
Classified under:
Nouns denoting quantities and units of measure
Synonyms:
coefficient of reflection; reflectance; reflection factor; reflectivity
Hypernyms ("reflectivity" is a kind of...):
coefficient (a constant number that serves as a measure of some property or characteristic)
Sense 2
Meaning:
The ability to reflect beams or rays
Classified under:
Nouns denoting attributes of people and objects
Synonyms:
reflection; reflectivity; reflexion
Hypernyms ("reflectivity" is a kind of...):
physical property (any property used to characterize matter and energy and their interactions)
Hyponyms (each of the following is a kind of "reflectivity"):
echo; replication; reverberation; sound reflection (the repetition of a sound resulting from reflection of the sound waves)
echo (a reflected television or radio or radar beam)
Derivation:
reflective (capable of physically reflecting light or sound)
Sense 3
Meaning:
The capability of quiet thought or contemplation
Classified under:
Nouns denoting attributes of people and objects
Synonyms:
reflectiveness; reflectivity
Hypernyms ("reflectivity" is a kind of...):
thoughtfulness (the trait of thinking carefully before acting)
Derivation:
reflective (devoted to matters of the mind)
reflective (deeply or seriously thoughtful)
Context examples
After administration in microsphere form, perflexane increases ultrasound reflectivity of blood.
(Perflexane, NCI Thesaurus)
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