On deck he had overborne my stubborn perplexity by dint of a forced though forceful joviality; in his cabin the gloves were off. View in context Underneath was a man of iron, square-jawed, nervous, forceful.
Delta is a letter of the Greek alphabet with several different mathematical meanings. Learn about the functions of delta, what it looks like, and how you can use delta in your mathematical expressions in this lesson.oth meanings being with the letter D just like the Greek letter, which should help you remember them: 1  Difference is the most common meaning of the uppercase delta. 2  Discriminant is the second most common meaning of the uppercase delta.
A theta is the latin word for a specific symbol used in mathematical equations. The theta means the angle. You use the theta symbol to say angle. The symbol is useful when y â¦ ou don't know the degree of the angle is. * * * * * Theta is not Latin nor is it a word. It is a letter of the Greek alphabet. It is used to stand for an unknown angle in the same way that the Roman letters x or y are used in algebra.