What Do You Mean by Diageotropic?

: tending to grow at right angles to the line of gravity diageotropic branches and roots.

What is Apogeotropism?

apogeotropism in American English

(ˌæpoʊdʒiˈɑtrəˌpɪzəm ; ˌ æpədʒiˈɑtrəˌpɪzəm ) noun. Botany. a tendency to grow or move away from the earth or from the pull of gravity; negative geotropism.

What do you mean by Ferels?

(fĕr′əl) 1. A metal ring or cap placed around a pole or shaft for reinforcement or to prevent splitting. 2. A bushing used to secure a pipe joint.