REFLECTANCE Antonyms

• (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid

• (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium

• the social process of absorbing one cultural group into harmony with another

• the process of absorbing nutrients into the body after digestion

• complete attention; intense mental effort

• the mental state of being preoccupied by something

• the quality or state of the achromatic color of least lightness (bearing the least resemblance to white)

• total absence of light

• absence of light or illumination

• an unilluminated area

• absence of moral or spiritual values

• an unenlightened state

• having a dark or somber color

• a swarthy complexion

• the state of being poorly illuminated

• the property of lights or sounds that lack brilliance or are reduced in intensity

• the quality of being dim or lacking contrast

• lacking in liveliness or animation

• emitting or reflecting very little light

• not keenly felt

• not having a sharp edge or point

• being or made softer or less loud or clear

• so lacking in interest as to cause mental weariness

• (of color) very low in saturation; highly diluted

• slow to learn or understand; lacking intellectual acuity

• (of business) not active or brisk

• blunted in responsiveness or sensibility

• not clear and resonant; sounding as if striking with or against something relatively soft

• darkened with overcast

• make dull in appearance

• become dull or lusterless in appearance; lose shine or brightness

• deaden (a sound or noise), especially by wrapping

• make numb or insensitive

• make dull or blunt

• become less interesting or attractive

• make less lively or vigorous

• the quality of being slow to understand

• the quality of lacking interestingness

• a lack of visual brightness

• lack of sensibility

• without sharpness or clearness of edge or point

• not clearly expressed or understood

• marked by difficulty of style or expression

• difficult to find

• not famous or acclaimed

• not drawing attention

• remote and separate physically or socially

• make less visible or unclear

• make unclear, indistinct, or blurred

• make unintelligible or unclear

• reduce a vowel to a neutral one, such as a schwa

• make undecipherable or imperceptible by obscuring or concealing

• the phenomenon of not permitting the passage of electromagnetic radiation

• incomprehensibility resulting from obscurity of meaning

• the quality of being opaque to a degree; the degree to which something reduces the passage of light

• shade within clear boundaries

• an unilluminated area

• something existing in perception only

• a premonition of something adverse

• an indication that something has been present

• refuge from danger or observation

• a dominating and pervasive presence

• a spy employed to follow someone and report their movements

• an inseparable companion

• follow, usually without the person's knowledge

• cast a shadow over

• make appear small by comparison