19
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- 1 19
This is the basic number word for 19. It is used for quantities, ages, dates, and identifying numbers.
19
It expresses the number 19 in quantities, ages, dates, and labels or identifying numbers.
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ห้องหมายเลขสิบเก้า hɔ̂ŋ mǎay lêek sìp kâaw Room 19 ห้องหมายเลขสิบเก้า details
Learning notes
Explanation
สิบเก้า is formed regularly from สิบ “ten” and เก้า “nine.” It can also be written with Thai numerals as ๑๙. For quantities, the usual order is noun + สิบเก้า + classifier. For example, หนังสือสิบเก้าเล่ม means “nineteen books.” It also appears in expressions such as อายุสิบเก้าปี “nineteen years old” and วันที่สิบเก้า “the nineteenth day of the month.” When it identifies a room or another numbered item, it may appear without a classifier, as in ห้องสิบเก้า “room nineteen.”
Usage
It is used whenever the number 19 is needed, including counting people or objects, stating an age or date, and identifying a numbered room. It is neutral and common in both speech and writing.
Caution
When expressing a quantity, use the appropriate classifier for the noun. Do not confuse สิบเก้า “19” with the reversed form เก้าสิบ “90.”