[pee-nuh-pleyn, pee-nuh-pleyn] /ˈpi nəˌpleɪn, ˌpi nəˈpleɪn/
an area reduced almost to a by erosion.
a relatively flat land surface produced by a long period of erosion
[pee-nis] /ˈpi nɪs/ noun, plural penises, penes [pee-neez] /ˈpi niz/ (Show IPA). Anatomy, Zoology. 1. the male organ of copulation and, in mammals, of urinary excretion. /ˈpiːnɪs/ noun (pl) -nises, -nes (-niːz) 1. the male organ of copulation in higher vertebrates, also used for urine excretion in many mammals n. 1670s, perhaps from French pénis […]
[pen-i-truh-buh l] /ˈpɛn ɪ trə bəl/ adjective 1. capable of being . adj. early 15c., “penetrating,” from Latin penetrabilis “penetrable, vulnerable,” from penetrare (see penetrate). Meaning “capable of being penetrated” is attested from 1530s; figurative use by 1590s. Related: Penetrability.
[pen-i-trey-lee-uh] /ˌpɛn ɪˈtreɪ li ə/ plural noun 1. the innermost parts or recesses of a place or thing. 2. the most private or secret things. /ˌpɛnɪˈtreɪlɪə/ plural noun 1. the innermost parts 2. secret matters
penetrometer (pěn’ĭ-trŏm’ĭ-tər) also penetrameter (pěn’ĭ-trŏm’ĭ-tər)