alternation of form
111Allomorph — This article is about a linguistic term. See Pseudomorph for another meaning of the word. An allomorph is a linguistics term for a variant form of a morpheme. The concept occurs when a unit of meaning can vary in sound (phonologically) without… …
112Inflection — In grammar, inflection or inflexion is the way language handles grammatical relations and relational categories such as tense, mood, voice, aspect, person, number, gender, case. In covert inflection, such categories are not overtly expressed.… …
113Equisetopsida — ▪ plant class Introduction (division Pteridophyta), class of primitive spore bearing vascular plants. Most members of the group are extinct and known only from their fossilized remains. The sole living genus, Equisetum (horsetail), order… …
114PAL — For other uses, see PAL (disambiguation). Television encoding systems by nation; countries using the PAL system are shown in blue. PAL, short for Phase Alternating Line, is an analogue television colour encoding system used in broadcast… …
115Abundance of the chemical elements — Estimated proportions of matter, dark matter and dark energy in the universe. Only the fraction of the mass and energy in the universe labeled atoms is composed of chemical elements. The abundance of a chemical element measures how relatively… …
116sporophyte — sporophytic /spawr euh fit ik, spohr /, adj. /spawr euh fuyt , spohr /, n. Bot. the form of a plant in the alternation of generations that produces asexual spores. Cf. gametophyte. [1885 90; SPORO + PHYTE] * * * In many plants and algae, the… …
117rhythm — [rith′əm] n. [< Fr or L: Fr rythme < L rhythmus < Gr rhythmos, measure, measured motion < base of rheein, to flow: see STREAM] 1. a) flow, movement, procedure, etc. characterized by basically regular recurrence of elements or features …
118Sexual reproduction — is the creation of a new organism by combining the genetic material of two organisms. The two main processes are: meiosis, involving the halving of the number of chromosomes; and fertilization, involving the fusion of two gametes and the… …
119Tibeto-Burman languages — Introduction language group within the Sino Tibetan family (Sino Tibetan languages). At the end of the 20th century, Tibeto Burman languages were spoken by approximately 57 million people; countries that had more than 1 million Tibeto… …
120Morna (music) — For the village in Estonia, see Morna, Estonia. A typical morna group. The morna (pronunciation in both Portuguese and Cape Verdean Creole: [ˈmɔɾnɐ]) is a music and dance genre from Cape Verde. Lyrics are usually in Cape Verdean Creol …
