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.
elucidating. 1  transitive verb. : 2  to make lucid especially by explanation or analysis elucidate a text. 3  intransitive verb. :  to give a clarifying explanation.