A suffix of adjectives, meaning "of, relating to, or resembling," as in polar "of or relating to": molecular, "being": spectacular.
M.E., from O.Fr. -er, from L. -aris, variant of -alis, → -al.
An adjective and noun suffix denoting thing or person belonging to or connected with.
From L. -arius, -aria, -arium "connected with, pertaining to; the man engaged in."
-i, Mid.Pers. -ig, -ik, → -ics.
Fr.: calibration hélium-argon
A wavelength calibration of astronomical spectra using a helium-argon light source.
lâmp-e heliyom-ârgon (#)
Fr.: lampe hélium-argon
A comparison light source containing the known spectral lines of helium and Argon.
Hindu-Arabic numeral system
râžmân-e adadhâ-ye Hendi-Arabi
Fr.: numération indo-arabe
Same as → Indian numeral system.
mili sâniye-ye kamâni
Fr.: milliseconde d'arc
A unit of angle equal to one thousandth of an → arcsecond, or 1/3 600 000 degree.
A measure of angle smaller than 1 arcsecond, usually until 0.1 arcsecond.
Imaging in excellent seeing conditions using an adequate detector to obtain stellar images whose profile lies in the sub-arcsecond range.