OUTER ROOT SHEATH OF A HAIR
\ˈa͡ʊtə ɹˈuːt ʃˈiːθ əvə hˈe͡ə], \ˈaʊtə ɹˈuːt ʃˈiːθ əvə hˈeə], \ˈaʊ_t_ə ɹ_ˈuː_t ʃ_ˈiː_θ ə_v_ə h_ˈeə]\
Word of the day
Hydrocorallia
- division Hydroidea, including those genera that secrete a stony coral, as Millepora and Stylaster. Two forms of zooids life project from small pores in the coral resemble other hydroids. See Millepora.