absorbancen.

Brit.

/əbˈzɔːb(ə)ns/,

/əbˈsɔːb(ə)ns/, U.S.

/əbˈzɔrb(ə)ns/,

/æbˈzɔrb(ə)ns/,

/əbˈsɔrb(ə)ns/,

/æbˈsɔrb(ə)ns/

Origin: Formed within English, by derivation. Etymons: absorb v., -ance suffix.

Etymology: < absorb v. + -ance suffix.

1. A capacity or tendency to absorb substances, energy, etc.; (also) = absorption n. 7a.

ΚΠ

1828 in W. Withers Let. to Scott exposing Errors in Ess. Planting 97 Trees of a texture less close than the oak, and of more ready absorbance.

1908 F. Maire Mod. Pigments xviii. 196 The absorbance of any part of the oil which would take place if wood, etc., were used.

1999 D. K. Nims Basics Industr. Hygiene ix. 221/2 Some surfaces exhibit absorbance, which means they do not reflect sound energy very well.

2005 W. J. Kraemer & S. J. Fleck Strength Training Young Athletes (ed. 2) vi. 92 Weight-training shoes provide good arch support... They offer little or no shock absorbance in the soles.

2. Physics. A measure of the capacity of a substance to absorb light of a specified wavelength; spec. the logarithm of the ratio of the incident luminous flux to the transmitted luminous flux. Also called optical density.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > light > refraction > [noun] > refractive power > optical density

optical density1864

absorbance1900

absorbancy1927

1900 Physical Rev. 10 114 (table) Radiance Absorbed. Absorbance.

1947 Nat. Bureau Standards Let. Circular No. 857. 4 Those in the Bureau most concerned with the matter have formulated the terminology given below... A_i = − log₁₀ T_i = log₁₀ 1/T_i = log₁₀ I₀/I = absorbance of the sample.

1963 Proc. National Acad. Sci. U.S.A. 50 69 RNA concentration was routinely determined by ultraviolet absorbance measurement.

1988 Weed Sci. 36 705/2 (caption) An absorbance of 1.0 at 680 nm is equal to ca. 3.5 × 10¹⁰ cells/ml of culture.

1999 C. B. Inlander et al. Over-the-counter Doctor (rev. ed.) 242/1 Of the four sunscreens in this group, octocrylene has the greatest absorbance of UVA radiation and is widely used.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	absorbance
释义	absorbancen. Brit. /əbˈzɔːb(ə)ns/, /əbˈsɔːb(ə)ns/, U.S. /əbˈzɔrb(ə)ns/, /æbˈzɔrb(ə)ns/, /əbˈsɔrb(ə)ns/, /æbˈsɔrb(ə)ns/ Origin: Formed within English, by derivation. Etymons: absorb v., -ance suffix. Etymology: < absorb v. + -ance suffix. 1. A capacity or tendency to absorb substances, energy, etc.; (also) = absorption n. 7a. ΚΠ 1828 in W. Withers Let. to Scott exposing Errors in Ess. Planting 97 Trees of a texture less close than the oak, and of more ready absorbance. 1908 F. Maire Mod. Pigments xviii. 196 The absorbance of any part of the oil which would take place if wood, etc., were used. 1999 D. K. Nims Basics Industr. Hygiene ix. 221/2 Some surfaces exhibit absorbance, which means they do not reflect sound energy very well. 2005 W. J. Kraemer & S. J. Fleck Strength Training Young Athletes (ed. 2) vi. 92 Weight-training shoes provide good arch support... They offer little or no shock absorbance in the soles. 2. Physics. A measure of the capacity of a substance to absorb light of a specified wavelength; spec. the logarithm of the ratio of the incident luminous flux to the transmitted luminous flux. Also called optical density. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > refraction > [noun] > refractive power > optical density optical density1864 absorbance1900 absorbancy1927 1900 Physical Rev. 10 114 (table) Radiance Absorbed. Absorbance. 1947 Nat. Bureau Standards Let. Circular No. 857. 4 Those in the Bureau most concerned with the matter have formulated the terminology given below... A_i = − log₁₀ T_i = log₁₀ 1/T_i = log₁₀ I₀/I = absorbance of the sample. 1963 Proc. National Acad. Sci. U.S.A. 50 69 RNA concentration was routinely determined by ultraviolet absorbance measurement. 1988 Weed Sci. 36 705/2 (caption) An absorbance of 1.0 at 680 nm is equal to ca. 3.5 × 10¹⁰ cells/ml of culture. 1999 C. B. Inlander et al. Over-the-counter Doctor (rev. ed.) 242/1 Of the four sunscreens in this group, octocrylene has the greatest absorbance of UVA radiation and is widely used. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < n.1828
随便看	to break the force of a blow to break the ground to break the heart of to break the heart of a person to break the ice to break the leg or arm to break the mould to break the neck of to break the neck of a journey, a piece of business to break the pale to break the peace to break the record to break the siege to break the silence to break the slate to break the sound barrier to break the staff of bread to break the stream to break the wicket to break through to break time to break to an extreme to break touch to break up to break up shop