(idiomatic) Overly sensitive to criticism; quick to take offence; irritable; touchy / Used other than figuratively or idiomatically: see thin, skinned.

(biology) A complex of DNA, RNA and proteins within the cell nucleus out of which chromosomes condense during cell division.

The quality of being suited, or fitting. / (card games) The quality of having a certain suit.

A hypothetical maglev cable that would be capable of sending objects into orbit without needing a rocket.