A college student was delivering pizza to a regular customer"s house in New York.
The guy who answered the door asked him, "What is the usual tip?"
"Well," replied the youth,"this is my first trip here, but the other guys say if I get a quarter out of you, I"ll be doing great."
"Is that so?" snorted the man. "Well, just to show them how wrong they are, here"s five dollars."
"Thanks!" replied the youth, "I"ll put this in my school fund."
"What are you studying?" asked the man.
The lad smiled and said: "Applied psychology."
- property of absorbing invisible light and emitting visible light. [from *fluorspar, after opalescence]
FLUOROCARBON
n. Compound of a hydrocarbon with fluorine atoms.
FOOTANDMOUTH
disease n. Contagious viral disease of cattle etc.
FORMALDEHYDE
n. Colourless pungent gas used as a disinfectant and preservative. [from *formic acid, *aldehyde]
FOUNTAINHEAD
n. Source.
FRANKENSTEIN
n. (in full frankenstein's monster) thing that becomes terrifying to its maker. [frankenstein, name of a character in and title of a novel by mary shelley]
FRANKINCENSE
n. Aromatic gum resin burnt as incense. [french: related to *frank in obsolete sense ‘high quality’, *incense1]
