division Rhodophyta
— Noun
– English
~ lower plants; mostly marine and littoral eukaryotic algae
double rhyme
— Noun
– English
~ a two-syllable rhyme; "`ended' and `blended' form a double rhyme"
delta rhythm
— Noun
– English
~ the normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz)