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4. fetus.

n. an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of

     the mature animal.

<EXAMPLE>

1. The fetus aborts during the surgery.

2. The second step is to remove the fetus.

3. The bill doesn't care the age of the fetus.

5. fauna

n.  1. all the animal life in a particular region or period.

     2. a living organism characterized by voluntary movement.

<EXAMPLE>

1. I was looking at the marine mollusk fauna.

2. The reptile fauna is in the lower alpine zone.

3. The mammal fauna of the reserve is impoverished.  

6. phosphorus.

n. 1. a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks

       and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms.

    2. a planet (usually venus) seen just before sunrise in the eastern sky.

<EXAMPLE>

1. This was due to the use of white phosphorus.

2. They are the phosphorus analogs of carbenes and nitrenes.

3. Bone ash was he major source of phosphorus until the 1840s.

1. beforehand.

adv. ahead of time; in anticipation.

adj.  being ahead of time or need.

<EXAMPLE>

1. The picture was taken beforehand.

2. Quietness is encouraged in preparation beforehand.

3. I wanted to propose the move of the page beforehand.

2. discreet.

adj. 1. marked by prudence or modesty and wise self-restraint.

       2. unobtrusively preceptive and sympathetic.

       3. heedful of potential consequences.

<EXAMPLE>

1. They were more discreet on the matter.

2. He is the most prudent and discreet of the gruop.

3. I felt it was more discreet in the circumstances.

3. mushroom.

n. 1. common name for an edible agaric. (contrasting with the inedible toadstool)

    2. mushrooms and related fleshy fungi. (including toadstools, puffballs, morels, coral fungi.. etc..)

    3. any of various fleshy fungi of the subdivision Basidiomycota consisting of a cup at the end of a stem

       arising from an underground mycelium.

vrb. 1. pick or gather mushrooms.

       2. grow and spread fast.

<EXAMPLE>

1. The mushroom is white, thick and firm.

2. The color of the mushroom is white to cream.

3. The mushroom cloud was adopted in the 1970s.