More new words added to the Oxford English Dictionary in January 2020.
Hen pen, n.1: An enclosure in which poultry are kept.
Jewish penicillin, adj.: A humorous name for chicken soup associated with Jewish culture, and considered a remedy for all ailments.
Lizard brain, n.: The part of the human brain to which primitive or non-rational behaviour is attributed.
Mother of the bride, n1.: The mother of a bride on her wedding day.
Optical Brightener, adj. and n.: A fluorescent substance used to enhance the brightness of white fabric, paper etc.