Huyghenian
Pronunciation : Huy*ghe"ni*an
Part of Speech : a.
Definition : Defn: Pertaining to, or invented by, Christian Huyghens, a Dutch astronomer of the seventeenth century; as, the Huyghenian telescope. Huyghenian eyepieceSee under Eyepiece.
Source : Webster's Unabridged Dictionary, 1913