a.

1. 固体的
   When water freezes, it becomes solid.

   水结冰时变成固体。

2. 实心的；无空隙的；充实的[Z]
   This is a solid rubber tyre.

   这是实心橡胶轮胎。

3. 纯的，纯粹的[Z][B]
   This spoon is solid silver.

   这把汤匙是纯银的。

4. （颜色，音调等）同一的，单一的[B]
   These curtains are solid blue.

   这些窗帘是纯蓝色的。

5. 结实的；坚固的；坚牢的
   People like solid furniture.

   人们喜欢结实的家具。

6. （公司，事业等）牢靠的，稳固的；（人）可信赖的
7. 团结的，一致的[（+for/against）]
   We are solid for peace.

   我们一致拥护和平。

8. 立体的，立方的
   The students are learning solid geometry.

   这些学生正在学习立体几何学。

9. 连续的；完整的，完全的[Z]
   James studied at the university for eight solid years.

   詹姆士在大学学了整整八年。

10. 慎重的，严肃的
11. 【俚】（音乐）极好的，（表演）精彩的

n.[C]

1. 固体
   Iron and stone are solids.

   铁和石头是固体。

2. （液体中的）固态物[P]
3. 立方体
4. 固体食物，非流质食物[P]
   Now he is well enough to take solids.

   现在他病好了，可以吃非流质食物了。

adj.

1. firm and stable in shape; not liquid or fluid:
   solid fuel.
   ▸strongly built or made.
2. Geometry  three-dimensional.
   ▸relating to three-dimensional objects.
3. not hollow or having spaces or gaps.
   ▸consisting of the same substance throughout.
   ▸(of time) continuous.
4. dependable; reliable.
   ▸sound but without special qualities.
5. (solid with) US informal on good terms with.
6. Austral. informal severe; unfair.

n.

1. a solid substance or object.
   ▸ (solids) food that is not liquid.
2. Geometry  a three-dimensional body or geometric figure.