hilavakio

== Finnish == === Etymology === hila (“lattice”) +‎ vakio (“constant”) === Pronunciation === IPA(key): /ˈhilɑˌʋɑkio/, [ˈhilɑ̝ˌʋɑ̝k̟io̞] Rhymes: -ɑkio Syllabification(key): hi‧la‧va‧ki‧o Hyphenation(key): hila‧vakio === Noun === hilavakio (mineralogy) lattice constant (optics) grating constant ==== Declension ====