Search BSB. Hydrogen: Chemical element with atomic number 1. Symbol: H H is the lightest, most abundant chemical element H makes up about 75 % of the Universe's elemental mass. Hydrogen = H Hydro = Greek = water gene = Greek = creating Hydrogen has a simple atomic structure-one proton + one an electron.
Wiktionary (0.00 / 0 votes) Rate this definition: dilapidation (Noun). The state of being dilapidated, reduced to decay, partially ruined. dilapidation (Noun). The act of dilapidating, damaging a building or structure through neglect or by intention.
-Â·datÂ·ed, -Â·datÂ·ing. to become or cause to become partially ruined and in need of repairs, as through neglect. Origin of dilapidate. ; from Classical Latin dilapidatus, past participle of dilapidare, to squander, demolish ; from dis-, apart + lapidare, to throw stones at ; from lapis, a stone: see lapidary. tr.