You searched for: “symbol
angstrom unit, symbol: A or Å
A length equal to 10-10 meters or one-ten-millionth of a millimeter, used for atomic measurements and the wavelengths of electromagnetic radiation.

A unit that measures the wavelength of light and equals 0.00000001 of a centimeter. Blue light has a wavelength of about 4400 angstroms, yellow light 5500 angstroms, and red light 6500 angstroms.

This entry is located in the following unit: Science and Technology (page 1)
angstrom, symbol Å (s) (noun), angstroms (pl)
A unit of length equal to one ten-billionth of a meter (10 meters or one-ten-millionth of a millimeter): The angstrom is used to measure the wavelengths of electromagnetic radiation.

It was named after Anders Jonas Ångström (1814-1874), a Swedish astrophysicist.

This entry is located in the following unit: Measurements and Mathematics Terms (page 2)
(a system of sounds for each symbol)
Word Entries containing the term: “symbol
Amphora: The word and the @ symbol
Greek > Latin: @ two-handled; a vessel with two handles or ears; a pitcher or vase unit.
brewster, symbol B (s) (noun), brewsters (pl)
A unit for measuring the reaction of optical materials to stress: Brewster is defined in terms of the slowing down of light passing through the material when it is stretched or compressed.
This entry is located in the following unit: Measurements and Mathematics Terms (page 3)
candela, symbol cd (s) (noun), candelas (pl)
An SI unit of luminous intensity: The candela replaced the old units of candle and standard candle.

Candela measures the brightness of a light itself rather than the amount of light falling on an object, which iC called "illuminance" and measured in "lux".

This entry is located in the following unit: Measurements and Mathematics Terms (page 4)
centimeter, symbol cm (s) (noun), centimeters (pl)
A metric unit of length equal to one hundredth of a meter: Joe measured his son's height that turned out to be 70 centimeters.
This entry is located in the following unit: Measurements and Mathematics Terms (page 4)