containing

Etymology

verb

1. present participle and gerund of contain
   Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems— […]. Such a slow-release device containing angiogenic factors could be placed on the pia mater covering the cerebral cortex and tested in persons with senile dementia in long term studies. 2013 May-June, Charles T. Ambrose, “Alzheimer’s Disease”, in American Scientist, volume 101, number 3, page 200

noun

1. (in the plural) contents
   Any, – all words are thine, Isabel; words and worlds with all their containings, shall be slaves to thee, Isabel. 1852, Herman Melville, Pierre; or, The Ambiguities