Definition: Having a yellowish or brownish color, similar to that of ochre, which is a natural clay pigment.

Example: The artist chose ochreous tones for the landscape painting to give it a warm, earthy feel.

Definition: Having a color that is similar to ochre, which is a natural clay earth pigment that is typically brownish-yellow.

Example: The artist used ochrous paint to give the landscape a warm, earthy tone.

Definition: A type of plant that looks like a cactus, found in Mexico and the southwestern United States, known for its clusters of bright red flowers.

Example: The ocotillo blooms beautifully in the spring, attracting many hummingbirds.

Definition: A protective covering that forms at the joint of a plant stem, created by the joining of two small leaf-like structures.

Example: The ocrea of the rhubarb plant helps protect its growing stem.

Definition: Referring to an organism that has eight sets of chromosomes in its cells.

Example: The octoploid plant species can thrive in various environments due to its genetic diversity.

Definition: An organism that has eight sets of chromosomes, which is more than the usual two sets found in most species.

Example: The octoploid plant species can produce larger fruits than its diploid relatives.

Definition: A type of sea creature that belongs to a group of animals called cephalopods, which have eight arms and are known for their intelligence and ability to change color.

Example: The octopod swam gracefully through the coral reef, using its tentacles to explore the surroundings.

Definition: Relating to or resembling an octopus, especially in shape or characteristics.

Example: The octopoid creature moved gracefully through the water, its tentacles flowing behind it.

Definition: Having a strong or unpleasant smell.

Example: The odoriferous garbage attracted many flies.

Definition: Relating to a group of insects that includes dragonflies and damselflies.

Example: The odonate species are known for their vibrant colors and agile flight.

Definition: A type of insect that includes dragonflies and damselflies, known for their long bodies, two pairs of wings, and large eyes.

Example: The odonate flew gracefully over the pond, its wings shimmering in the sunlight.

Definition: A type of orchid that belongs to a specific genus, known for its beautiful flowers and often cultivated in tropical regions.

Example: The gardener showcased a stunning odontoglossum in the flower exhibition.