Answer. Ad hoc is a word that originally comes from Latin and means âfor thisâ or for this situation.. In current American English it is used to describe something that has been formed or used for a special and immediate purpose, without previous planning.Ad hoc can be used as an adjective or an adverb.It is used more often as an adjective, especially in these expressions: 1  ad hoc committee. 2  ad hoc group. 3  ad hoc basis.n current American English it is used to describe something that has been formed or used for a special and immediate purpose, without previous planning. Ad hoc can be used as an adjective or an adverb. It is used more often as an adjective, especially in these expressions: 1  ad hoc committee. 2  ad hoc group. 3  ad hoc basis.
pestifero (masc.) (fem. pestifera, masc. pl. pestiferi, fem. pl. pestifere) pestilential, pestiferous; noxious (smell) Anagrams. epistrofe
Plants may be considered pests themselves if an invasive species. Any prolific animal or plant may be considered pests. Thus in contrast, to the single term pest, in composite terms, e.g. plant pest, agricultural pest livestock pest, the emphasis is always on the organisms or ecosystems infested and affected.