Lesson 13 Spelling
Terms
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- flame
- The often bright zone of burning gases and fine suspended particles that forms as a result of a fire.
- flammable
- Easy to set fire to and capable of burning very rapidly.
- ignite
- To set fire to or catch fire.
- ignition
-
1. The act or process of igniting, or starting a fire.
2. An electrical system that provides the spark that ignites the fuel mixture of an internal-combustion engine.
3. A switch that activates this system. - precise
-
1. Distinct from others; particular: on this precise spot.
2. Done, made, or capable of operating within very small limits of error or variation. - precision
- The condition, property, or quality of being precise, or exact.
- meter
- The basic unit of length in the metric system, equal to 39.37 inches.
- metric
- Of, involving, or using the metric system.
- microscope
- An instrument in which the light reflected from or projected through a tiny object is passed through a combination of lenses so as to produce a magnified image of the object that is large enough to be seen and studied.
- microscopic
-
1. Too small to be seen by the eye alone but large enough to be seen through a microscope.
2. Very small; minute. - grave
- Extremely serious; critical.
- gravity
- Seriousness; importance.
- grateful
- Appreciative; thankful.
- gratitude
- Appreciation or thankfulness, as for something received or kindness shown.
- revise
-
1. To edit in order to improve or bring up to date.
2. To change or modify. - revision
- The act or process of revising.
- athlete
- A person who competes or takes part in sports.
- athletic
-
1. Of or for athletics.
2. Of or for athletes.
3. Physically strong; muscular. - humane
- Kind: compassionate; merciful.
- humanity
- Human beings in general; mankind.
- suffice
-
1. To meet present needs; be sufficient.
2. To be sufficient or adequate for. - sufficient
- As much as is needed; enough; adequate.
- impede
- To obstruct or slow down; block.
- impediment
- A hindrance; obstruction.