An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

Same as → line intensity.

→ line, → strength.

Same as → magnetic intensity.

→ magnetic; → field; → intensity.

A quantum-mechanical measure of the probability that a specific atomic transition will occur. It is used in the equation for the absorption coefficient of a spectral line. Also known as f value.

→ oscillator; → strength.

The quality or quantity of force, power, resistance, etc. → line strength.
Mechanics: The ability of a material to resist → stress without yielding or fracture.

M.E., from O.E. strengþu "power, force, vigor, moral resistance," (cf. O.H.G. strengida "strength"), noun of strong.

Zur "strength," variant zâvar; Mid.Pers. zôr "strength, power, vigour," zâvar "strength, force," zôrik "powerful," loaned in Arm. zaur; Av. zāvar- "strength."

The science concerned with physical characteristics (stress, strain, strength, stiffness, stability) of various engineering components and structures when forces are applied on them.

→ strength; → material.