21-letter words containing h, o, t, a, n, d
- sunday school teacher — someone who teaches at a Sunday school
- synchrotron radiation — electromagnetic radiation emitted by charged particles as they pass through magnetic fields.
- the antipodes islands — a group of small uninhabited islands in the South Pacific, southeast of and belonging to New Zealand. Area: 62 sq km (24 sq miles)
- the assessment method — a way of providing evidence that students' knowledge and learning match the aims of a course
- the break of day/dawn — The break of day or the break of dawn is the time when it begins to grow light after the night.
- the comrades marathon — an annual long-distance race run every year on the 16th of June from Durban to Pietermaritzburg, a distance of approximately 90 kilometres (56 miles)
- the moral high ground — If you say that someone has taken the moral high ground, you mean that they consider that their policies and actions are morally superior to the policies and actions of their rivals.
- the women's land army — a unit of women recruited to do agricultural work in the United Kingdom during World War I and World War II
- thermal decomposition — Thermal decomposition is the process in which a chemical species breaks down when its temperature is increased.
- to be hard luck on sb — to be unfortunate or unlucky for someone
- to fly off the handle — If you fly off the handle, you suddenly and completely lose your temper.
- to hit the bookstands — (of a book) to be published
- to let your hair down — If you let your hair down, you relax completely and enjoy yourself.
- to live hand to mouth — If someone lives hand to mouth or lives from hand to mouth, they have hardly enough food or money to live on.
- washington's birthday — February 22, formerly observed as a legal holiday in most states of the U.S. in honor of the birth of George Washington.
- whip-and-tongue graft — a graft prepared by cutting both the scion and the stock in a sloping direction and inserting a tongue in the scion into a slit in the stock.
- white-crowned sparrow — a North American sparrow, Zonotrichia leucophrys, having black and white stripes on the head.
- with one's bare hands — If someone does something with their bare hands, they do it without using any weapons or tools.