[hou-too] 
adjective, noun, plural -tos.| 1. | giving or pertaining to basic instructions and directions to the layperson on the methods for doing or making something, esp. as a hobby or for practical use: a how-to book on photography. |
| 2. | a set of step-by-step instructions for accomplishing a certain task or reaching a certain objective: a how-to for fixing a leaky faucet. |
| 3. | the basic principles or approach for doing something: the how-to of investing in the stock market. |
| how-to (hou'tōō') adj. Offering practical advice and detailed instruction in an activity. n. pl. how-tos Something, such as a book or learning situation, that provides practical advice and detailed instruction in an activity: She read a how-to on plumbing. The weekend was a real how-to for would-be campers. |