This shows grade level based on the word's complexity.
angstrom
[ ang-struhm ]
/ ˈæŋ strəm /
Save This Word!
This shows grade level based on the word's complexity.
noun (often initial capital letter)
a unit of length, equal to one tenth of a millimicron, or one ten millionth of a millimeter, primarily used to express electromagnetic wavelengths. Symbol: Å; Abbreviation: A
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.
Also called angstrom unit, Angstrom unit.
Origin of angstrom
First recorded in 1895–1900; named after A. J. Ångström
Words nearby angstrom
Angrboda, angrily, angry, angry young man, angst, angstrom, angsty, Anguier, Anguilla, anguilliform, anguine
Other definitions for angstrom (2 of 2)
Ångström
[ ang-struhm; Swedish awng-strœm ]
/ ˈæŋ strəm; Swedish ˈɔŋ strœm /
noun
An·ders Jo·nas [an-derz joh-nuhs; Swedish ahn-duhrs-yoo-nahs], /ˈæn dərz ˈdʒoʊ nəs; Swedish ˈɑn dərsˈyu nɑs/, 1814–74, Swedish astronomer and physicist.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use angstrom in a sentence
“We’re down at angstroms and nanometers for the variability here,” he said.
The man who came nearest to the philosophy of the subject was Angstrom.
Fragments of science, V. 1-2|John Tyndall
British Dictionary definitions for angstrom (1 of 2)
angstrom
/ (ˈæŋstrʌm, -strəm) /
noun
Also called: angstrom unit a unit of length equal to 10 –10 metre, used principally to express the wavelengths of electromagnetic radiations. It is equivalent to 0.1 nanometreSymbol: Å, A
Word Origin for angstrom
C20: named after Anders J. Ångström
British Dictionary definitions for angstrom (2 of 2)
Ångström
/ (ˈæŋstrəm, Swedish ˈɔŋstrœm) /
noun
Anders Jonas (ˈandərs ˈjuːnas). 1814–74, Swedish physicist, noted for his work on spectroscopy and solar physics
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for angstrom (1 of 2)
angstrom
[ ăng′strəm ]
A unit of length equal to one hundred-millionth (10-10) of a meter. It was once used to measure wavelengths of light and the diameters of atoms, but has now been mostly replaced by the nanometer.
Scientific definitions for angstrom (2 of 2)
Ångström
[ ăng′strəm ]
Swedish physicist and astronomer who pioneered the use of the spectroscope in the analysis of radiation. By studying the spectrum of visible light given off by the Sun, Ångström discovered that there is hydrogen in the Sun's atmosphere. The angstrom unit of measurement is named for him.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.