• A highly aperitive notice (flyer for a chamber music concert) – a highly appealing break from the duties of normal life sort of thing.
• Ratafia biscuits – small round macaroon-type biscuits
• Leadbetter – type of car but couldn’t find a pic
• Midden – old dump for domestic waste (such as a compost pile)
• “…To switch on the lights, shut the windows, and admit that Christmas Day had insidiously but definitely begun…”  – they slept with the windows open? In England? In December?…
• Straw palliasses – large bag made of canvas (or similar) and stuffed with material such as straw, horse hair. Used as a bed at times.
• Eating his tangerine, pig by pig – pig = slices?
• Dissyllable – a word for two syllables
• Meiosis – process when cell divides from one into two into four etc.
• Boak (describing person you’re not very fond of) – from verb to vomit or burp. This was in reference to some people that Mrs. Miniver did not like…
• Skirling plover (bird doing something) – making a shrill wailing sound
• Prognathous – upper or lower jaw is abnormally forward

(Words taken from Mrs. Miniver by Jan Struthers who has quite the vocabulary!)