出典:Wiktionary
出典:『Wiktionary』 (2025/10/17 16:09 UTC 版)
First attested in 1872. From German Phloëm, coined by Swiss botanist Carl Nägeli in 1858 from Ancient Greek φλόος (phlóos, “husk, bark”) + a Greek-sounding ending -em (cf. System).
phloem (countable and uncountable, plural phloems)