diaphaneity

enUK

di·aph·a·nous

D0198800 (dī-ăf′ə-nəs)adj.1. Sufficiently thin or airy as to be translucent: a diaphanous gown; diaphanous gauze.2. Of such fine composition as to be easily damaged or broken; delicate: diaphanous butterfly wings.
[From Medieval Latin diaphanus, transparent, from Greek diaphanēs, from diaphainein, to be transparent : dia-, dia- + phainein, phan-, to show; see bhā- in Indo-European roots.]
di′a·pha·ne′i·ty (dī′ə-fə-nē′ĭ-tē), di·aph′a·nous·ness n.di·aph′a·nous·ly adv.

di•aph•a•ne•i•ty

(dɪˌæf əˈni ɪ ti, ˌdaɪ ə fə-)

n. the quality of being diaphanous. [1650–60]