Capable of burning; easily set on fire. / (figuratively) Easily excited; set off by the slightest excuse; easily enraged or inflamed. / (nonstandard) Incapable of burning; not easily set on fire.

(metrology) An SI unit of energy, work and heat equal to 10⁻⁹ joules. Symbol: nJ

inward, inwards.

The study of culturally-induced ignorance or doubt, particularly the publication of inaccurate or misleading scientific data.