Adorkable
Adorable in a socially awkward manner.
Phrygian cap
The Phrygian cap is a soft conical cap with the top pulled forward
Panthalassa
Panthalassa was the vast global ocean that surrounded the supercontinent Pangaea, during the late Paleozoic and the early Mesozoic eras.
Echelle grating
An echelle grating is a type of diffraction grating used in spectrometers and similar instruments.
Sill
In geology, a sill is a tabular sheet intrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff
Parfocal
A parfocal lens is a lens that stays in focus when magnification/focal length is changed.
Amygdala
The amygdalae are almond-shaped groups of nuclei located within the temporal lobes of the brain in complex vertebrates.
Homeothermy
Homeothermy is thermoregulation that maintains a stable internal body temperature regardless of external influence.
Corduroy road
A corduroy road is a log road made by placing sand-covered logs perpendicular to the direction of the road over a low or swampy area.
Grimoire
A grimoire is a textbook of magic.