Danger Zone - 45° F to 140° F or 7° Celsius to 60° F is the range of temperature in which the bacteria multiply the most rapidly.

A special room rate for less than an overnight stay which is applied to 'Day Use' rooms.

Rooms which are sold for a few hours and doesn't normally provide overnight stay. Hotel rooms for day-use have the same check-in and check-out date because day-use guests will only stay in their hotel room during the day.

Every hotel produces a ‘daily business report’ AKA ‘Manager flash’  that recaps all the activity within the last 24 hours. This daily report includes hotel statistics, like the total earnings from hotels revenue centres  (eg:- Rooms, Food and Beverage outlets, Laundry, SPA, Shop rentals etc.). Sample DBR format used in hotels and resorts.

The Decoration department is responsible for decorating the place on various occasions, on special days, and holidays; including the decoration on the state, and conference room. Some hotels may combine this section to the Florist or the Banquet.

Deep cleaning: intensive or specialised cleaning undertaken in guest rooms or public areas, often conducted according to a special schedule or on a special project basis.

Deep Fry - To cook food by submerging it in hot fat or oil.

Deglaze - The removal of caramelised sugars and other food particles from a pan by swirling with liquid or water.

Degrease - To skim the fat from the top of a liquid such as a sauce or a stock. Example using a bread to decrease the oil from the sauce.

This is a manual system of reservation. In this system, a daily diary is kept, in which the reservation agent lists all arrivals due on a particular day. It is the primary system of reservation.

Dissolve: Separating dry ingredients into particles for complete absorption in liquid.

DNCO (Did Not Check-Out): The guest made arrangements to settle his or her account (and thus is not a skipper), but has left without informing the front office.

DND Card: A do not disturb card is hung outside the room to inform hotel staff or visitor that the occupant does not wish to be disturb.

Guests from the same country where the Hotel is situated.

A type of room service menu that a housekeeper can leave in the guest room. A doorknob menu lists a limited number of breakfast items and times of the day that the meal can be served.