Someone who innovates; a creator of new ideas. / (marketing) An early adopter.

The mechanisms that function internally to a system and are not outwardly visible

(anatomy, zoology) To supply (an organ or part of the body) with nerves. / Synonym of innerve (“to supply with nervous energy”).

To an innumerable extent; uncountably.

An insole; a cushioning layer lining the inside bottom of a shoe or boot.

The condition of being innate.

That is constructed using springs enclosed within a padded fabric cover

Tending to follow one's own rules rather than those of society

Of, pertaining to, or situated in the central part of a city, especially an older, populous area of low-income or immigrant families.

(astronomy, planets) Any planet of the Solar System whose orbit is located between the asteroid belt and the sun, i.e., any of Mercury, Venus, Earth, or Mars.