| acceptable |
good enough to be approved of; satisfactory. |
| ammunition |
the objects fired from any weapon, or material that can be exploded. Bullets, bombs, and gunpowder are types of ammunition. |
| complaint |
an expression of dissatisfaction or unhappiness with something. |
| cycle |
a circle of events that repeats in a regular pattern. |
| fluid |
a liquid or gas. A fluid flows easily and takes the shape of the container that holds it. Water and air are fluids. |
| generation |
the entire group of people who were born around the same time. |
| horrify |
to cause feelings of fear and repulsion in; frighten; shock. |
| index |
an alphabetical list of subjects, names, or other information in a book, with page numbers given for each item. |
| initial |
(usually plural) the first letters in a person's name. |
| mound |
a raised pile; heap. |
| neuter |
lacking a sexual aspect; asexual. |
| reward |
something of value that is promised to someone for good work or a good deed. |
| sensor |
a device that detects and responds to certain changes in the environment, such as light, temperature, sound, or pressure. |
| spend |
to pay out. |
| twinkle |
to shine with a light that flickers or is not steady. |