"Firmament" Natural Recordings by Native Speakers
The word "firmament" refers to the upper region of the atmosphere, especially the sky or heavens, considered as a vault or dome separating the earth from the celestial realm. It can also refer to the physical firmament, which includes the Earth's atmosphere, including the stratosphere, mesosphere, thermosphere, exosphere, and ionosphere. In religious contexts, the firmament can also be used to describe the physical separation between the earth and the heavens, and is often depicted in ancient astronomical texts as a solid dome or vault that separates the earth from the celestial bodies.
Here are 5 usage examples for the word "firmament":
A firework is a type of pyrotechnic device that produces a colorful display of light, sound, and heat when ignited. Fireworks are often used to celebrate special occasions such as holidays, weddings, and sporting events. They typically consist of a fuse, a propellant, and an explosive mixture of chemicals that release gas and particles at high speed, creating a burst of light and sound when ignited.
Strong and steady in opinion, purpose, or determination; resolute. <br><br>Example: "She's a firm believer in the importance of recycling."
Firmicutes is a phylum of bacteria that includes many types of gram-positive bacteria. Firmicutes bacteria are typically rod-shaped and have a thick peptidoglycan cell wall. This phylum includes many important genera, such as Bacillus, Staphylococcus, and Lactobacillus. Firmicutes are found in a wide range of environments, including soil, water, and the human body. They play important roles in decomposition, fermentation, and biocontrol, and some species are also important human pathogens.