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Webster 1913 Edition

Noun.

The quality or state of being techy.

Noun.

Peevishness; fretfulness.

techiness ‎(uncountable)

Alternative form of tetchiness
- 1847, The eclectic magazine of foreign literature, science, and art: Volume 11 (page 109)
  He was not a good subordinate, yet lacked the qualities of a leader. A constitutional warmth of temperament, and a seeming techiness and irritability, involved him in some unworthy squabbles.
(informal) The quality of being techy, or technically oriented.