GAZ s. 1. (FIZIOL.) part, vant, (pop.) basina, fasaiala, (prin Bucov. si Maram.) tartaita, (fam.) pam. 2. v. petrol lampant. 3. (CHIM.) gaz aerian v. gaz de iluminat; gaz de iluminat = gaz aerian; gaze de lupta v. substante toxice de lupta; gaze naturale = bitumene gazoase; gaz ideal v. gaz perfect; gaz perfect = gaz ideal. 4. gaz ilariant v. protoxid de azot.

PROTOXID DE AZOT s. (CHIM.) gaz ilariant.

ILARIANT, -A, ilarianti, -te, adj. 1. Care starneste rasul (general); hazliu, ilar. 2. (In sintagma) gaz ilariant = protoxid de azot, folosit ca anestezic general. [Pr.: -ri-ant. – Var.: hilariant, -a adj.] – Din fr. hilarant (influentat de ilaritate). Cf. lat. hilarans, -ntis.

ilariant, -A adj. care provoaca rasul general; hazliu; ilar, ridicol. ♦ gaz ~ = gaz incolor, cu gust dulceag, anestezic general; protoxid de azot. (< fr. hilariant)