Urgent
(Of a state or situation) requiring immediate action or attention
Abnormally smallness of the head
Petrology
The study of the origin and composition of rocks
Iconologist
An expert in analyzing icons
Erg, Urg
Work or power
Bioenergy
Renewable energy produced by a living organism
Cephalometry
The measure to of bone of the cranium and face to evaluate facial growth
Petrous
Very hard or dense
Iconolatry
Worship of images
Cephal
Head
Hierurgy
An act or white of worship
Acephalous
Lacking a head
Petroglyph
A carving on or in stone, a rock-carving
Emoticon
A facial glyph types sideways, usually used in instant messaging, that indicates an emotion or attitude
Petr and Peter
Stone
Resurgence
Something that is rising again into life
Procephalic
Located on or near the front of the head
Petrified
Vidicon
An electron tube in video cameras to capture images by scanning a surface with an electron beam
Image
Ergometer
An apparatus which measures work or energy expended during a period of physical exercise
Cephalin
Any group of phospholipids found in the white matter of the brain and spinal cord
Petrography
A branch of petrology that focuses on detailed descriptions of rocks
Iconoclast
One who seeks to overthrow popular ideas