An illusionary technique used in theatres, at funfairs, etc. that uses a plate glass and special lighting techniques to make objects seem to appear or disappear.

plural of ghost gum

Any of various Australian evergreen trees of the genus Corymbia, especially Corymbia papuana.

Alternative form of grey ghost

Alternative form of ghostlore

Alternative form of ghostlore

Goddard-Thorn theorem

Marriage with a dead person or between dead people.

ghost moth

Hepialus humuli, a white moth of the family Hepialidae.