1, mustard seed, pinyin for jiè dì, Chinese vocabulary, defined as pedicle mustard seed, micro-infarction, extended to infarction; It also means the mind. A compilation of popular vegetation. Zhai Qing Hao's "Popular Compilation of Plants and Trees": "Whenever people say' mustard' upside down, it starts with the poems of Song people."
2, mustard, also known as mustard powder, yam, mustard powder, generally divided into green mustard and yellow mustard. Yellow mustard originated in China and is made by grinding the seeds of mustard. Green mustard originated in Europe and is made of horseradish. After adding pigment, it is green, its pungent smell is stronger than that of yellow mustard, and it has a unique aroma.
3. Mustard gas, commonly known as diethyl sulfide dichloride, is an organic compound with the chemical formula of C4H8Cl2S, which is named for its volatility and mustard-like taste. It is mainly used in organic synthesis, medicine (which can be used to treat some hyperproliferative diseases) and the manufacture of military poisons, and its widespread use in poisons is also notorious.
4, mustard, refers to the roadside hay, a section of hay. Metaphor is a worthless thing, which is not cherished enough. Dust mustard, a Chinese word, pinyin is chén jiè, which means dust and grass, refers to something that is slightly unnoticeable, or refers to a garbage dump. From zhou yuan Qi Bo's poem "Writing with Bare Head": Wang Gang is not decorated, and many people are half-dusty.
Etymological evolution:
Mustard was first seen in the bronze inscriptions of the Warring States Period. From the inscriptions on bronze and seal script, it looks like grass above and armor below. Mustard is a pictophonetic word. The original meaning is mustard, which means mustard is a kind of herb. The middle sound indicates that the stem skin of mustard is as thick as nails.
Because mustard is a kind of particularly hard grass, it means grass, especially grass, and it also means subtle things, such as fine mustard. Although mustard is small, it can also make people unhappy if it accumulates in their hearts, so it often forms a "dead knot" with pedicle to indicate a small infarction, which is extended to a grudge between the two.