A light source consisting of a wick embedded in a solid, flammable substance such as wax, tallow, or paraffin.
A fast-growing, light-colored, upward-growing shoot on a pine tree in the spring. As growth slows in summer, the shoot darkens and is no longer conspicuous.
The protruding, removable portion of a filter, particularly a water filter.
To check (an item, such as an envelope) by holding it between a light source and the eye.
To dry (greenware) prior to the firing cycle, setting the kiln at 200° Celsius until all water is removed from the greenware.
To observe the growth of an embryo inside (an egg), using a bright light source.
Light from above; toplighting.
Any glazing above a main window, partition or door
A skylight.
The upper (and usually smaller) part (casement) of a window, often hinged a the top