Meaning of MENTAL STRAIN

Pronunciation:			'mentl streyn
WordNet Dictionary
	Definition:		[n]  (psychology) nervousness resulting from mental stress; "his responsibilities were a constant strain"; "the mental strain of staying alert hour after hour was too much for him"
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	Synonyms:		nervous strain, strain
	See Also:		jitters, nerves, nervousness, screaming meemies, stress, tenseness, tension