宿主(しゅくしゅ) しゅくしゅ noun host (of a parasite or virus) technicalscience 1. host (of a parasite or virus) In biology, the organism on or in which a parasite, virus, or other pathogen lives and from which it obtains nourishment. ウイルスが宿主(しゅくしゅ)を探(さが)す。🔊 The virus looks for a host. この寄生虫(きせいちゅう)は人間(にんげん)を宿主(しゅくしゅ)とする。🔊 This parasite uses humans as its host. ウイルスは宿主(しゅくしゅ)の細胞(さいぼう)に入(はい)り込(こ)んで増殖(ぞうしょく)する。🔊 The virus enters the host's cells and multiplies. A biology term for the organism that harbors a parasite or virus. Read しゅくしゅ in this technical sense; the same characters read やどぬし mean a landlord or innkeeper.Common collocations宿主(しゅくしゅ)に寄生(きせい)する: to be parasitic on a host中間宿主(ちゅうかんしゅくしゅ): intermediate host宿主(しゅくしゅ)の細胞(さいぼう): the host's cells general Added 2026.7.4 3:18 · Revised 2026.9.2 13:02 29500/29662_shukushu