Množina: angsts

General feeling of anxiety or anguish at state of world.
An acute but unspecific feeling of anxiety; usually reserved for philosophical anxiety about the world or about personal freedom.
(German “anxiety”) Emotional state of anxiety without a specific cause. In existentialism, the term refers to general human anxiety at having free will, that is, of being responsible for one’s actions.

Množina: angstroms

A unit of measure equal to one 10-billionth (10–10) of a meter or one 250-millionth of an inch. Light wavelength, for example, is commonly measured in angstroms.Abbreviation: A.
A metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation; SYN. angstrom unit.
/> Ten to the minus tenth meters (10-10) or one millimicron, a unit used to define the wave length of light. Designated by the symbol Å.
unit of one ten-billionth of a meter
Physics, unit of length of light waves, one hundred-millionth of a centimeter, or of electromagnetic radiations: one tenth of a millimicron.
Unit (symbol Å) of length equal to 10-10 meter or one-ten-millionth of a millimeter, used for atomic measurements and the wavelengths of electromagnetic radiation. It is named for the Swedish scientist A J Ångström.