It is important for people to remember that, when looking at the periodic table of the elements, ânaturally occurringâ does not necessarily mean âabundant.â Many naturally occurring elements are in fact quite rare, although some were once more abundant.
future. 1  time that is to be or come hereafter. 2  something that will exist or happen in time to come: The future is rooted in the past. 3  a condition, especially of success or failure, to come: Some people believe a gypsy can tell you your future. 4  Grammar. the future tense. 5  Usually, futures.
Dictionary entry overview: What does past mean? â¢ PAST (noun) The noun PAST has 3 senses: 1. the time that has elapsed 2. a earlier period in someone's life (especially one that they have reason to keep secret) 3. a verb tense that expresses actions or states in the past Familiarity information: PAST used as a noun is uncommon. â¢ PAST (adjective) The adjective PAST has 3 senses: 1. earlier than the present time; no longer current. 2. of a person who has held and relinquished a position or office. 3. a verb tense or other construction referring to events or states that existed at some previous time. Familiarity information: PAST used as an adjective is uncommon.